# LeetCode **Repository Path**: cheneyChen/LeetCode ## Basic Information - **Project Name**: LeetCode - **Description**: LeetCode - **Primary Language**: Unknown - **License**: MIT - **Default Branch**: master - **Homepage**: None - **GVP Project**: No ## Statistics - **Stars**: 0 - **Forks**: 0 - **Created**: 2020-08-19 - **Last Updated**: 2020-12-19 ## Categories & Tags **Categories**: Uncategorized **Tags**: None ## README # [English](./README.md) | 简体中文 ![](https://img.shields.io/badge/Algorithm-LeetCode-green) ![](https://img.shields.io/badge/C-C%2B%2B-brightgreen) ![](https://img.shields.io/badge/C%23-Go-yellowgreen) ![](https://img.shields.io/badge/Java-JavaScript-yellow) ![](https://img.shields.io/badge/Kotlin-PHP-orange) ![](https://img.shields.io/badge/Python-Python3-red) ![](https://img.shields.io/badge/Ruby-Rust-lightgrey) ![](https://img.shields.io/badge/Scala-Swift-blue) ### [Telegram群](https://t.me/joinchat/Pbpq4xeAVSUDOo_PldYnFw): https://t.me/joinchat/Pbpq4xeAVSUDOo_PldYnFw ### 支持15种编程语言,按首字母顺序排序。 ### | [Bash](https://github.com/strengthen/LeetCode/blob/master/MD/Bash.md) | [C](https://github.com/strengthen/LeetCode/blob/master/MD/C.md) | [C++](https://github.com/strengthen/LeetCode/blob/master/MD/C%2B%2B.md) | [C#](https://github.com/strengthen/LeetCode/blob/master/MD/C%23.md) | [Go](https://github.com/strengthen/LeetCode/blob/master/MD/Go.md) | [Java](https://github.com/strengthen/LeetCode/blob/master/MD/Java.md) | [JavaScript](https://github.com/strengthen/LeetCode/blob/master/MD/JavaScript.md) | [Kotlin](https://github.com/strengthen/LeetCode/blob/master/MD/Kotlin.md) | ### | [PHP](https://github.com/strengthen/LeetCode/blob/master/MD/PHP.md) | [Python](https://github.com/strengthen/LeetCode/blob/master/MD/Python.md) | [Python3](https://github.com/strengthen/LeetCode/blob/master/MD/Python3.md) | [Ruby](https://github.com/strengthen/LeetCode/blob/master/MD/Ruby.md) | [Rust](https://github.com/strengthen/LeetCode/blob/master/MD/Rust.md) | [Scala](https://github.com/strengthen/LeetCode/blob/master/MD/Scala.md) | [Swift](https://github.com/strengthen/LeetCode/blob/master/MD/Swift.md) | ### ↓微信打赏↓ & ↓支付宝打赏↓ → [打赏榜](https://www.cnblogs.com/strengthen/p/10470993.html) | [山青咏芝](https://www.cnblogs.com/strengthen/) ![Leetcode](./MD/Image/WX_ZFB.png?style=centerme) |序号|Swift && 题名|C++|Python3|Kotlin|Difficulty| | ------ | ------ | ------ | ------ | ------ | ------ | | 1326 | [灌溉花园的最少水龙头数目](https://www.cnblogs.com/strengthen/p/12213419.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1326.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1326.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1326.kt) | Hard | | 1325 | [删除给定值的叶子节点](https://www.cnblogs.com/strengthen/p/12213394.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1325.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1325.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1325.kt) | Medium | | 1324 | [竖直打印单词](https://www.cnblogs.com/strengthen/p/12213371.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1324.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1324.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1324.kt) | Medium | | 1323 | [6和9组成的最大数字](https://www.cnblogs.com/strengthen/p/12213368.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1323.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1323.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1323.kt) | Easy | | 1322 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1322.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1322.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1322.kt) | Easy | | 1321 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1321.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1321.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1321.kt) | Medium | | 1320 | [二指输入的的最小距离](https://www.cnblogs.com/strengthen/p/12185599.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1320.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1320.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1320.kt) | Hard | | 1319 | [连通网络的操作次数](https://www.cnblogs.com/strengthen/p/12185585.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1319.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1319.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1319.kt) | Medium | | 1318 | [或运算的最小翻转次数](https://www.cnblogs.com/strengthen/p/12185583.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1318.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1318.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1318.kt) | Medium | | 1317 | [将整数转换为两个无零整数的和](https://www.cnblogs.com/strengthen/p/12185579.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1317.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1317.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1317.kt) | Easy | | 1316 | [不同的循环子字符串](https://www.cnblogs.com/strengthen/p/12185573.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1316.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1316.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1316.kt) | Hard | | 1315 | [祖父节点值为偶数的节点和](https://www.cnblogs.com/strengthen/p/12185569.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1315.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1315.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1315.kt) | Medium | | 1314 | [矩阵区域和](https://www.cnblogs.com/strengthen/p/12185567.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1314.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1314.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1314.kt) | Medium | | 1313 | [解压缩编码列表](https://www.cnblogs.com/strengthen/p/12185566.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1313.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1313.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1313.kt) | Easy | | 1312 | [让字符串成为回文串的最少插入次数](https://www.cnblogs.com/strengthen/p/12151983.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1312.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1312.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1312.kt) | Hard | | 1311 | [获取你好友已观看的视频](https://www.cnblogs.com/strengthen/p/12151977.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1311.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1311.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1311.kt) | Medium | | 1310 | [子数组异或查询](https://www.cnblogs.com/strengthen/p/12151960.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1310.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1310.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1310.kt) | Medium | | 1309 | [解码字母到整数映射](https://www.cnblogs.com/strengthen/p/12151953.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1309.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1309.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1309.kt) | Easy | | 1308 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1308.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1308.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1308.kt) | Medium | | 1307 | [口算难题](https://www.cnblogs.com/strengthen/p/12151686.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1307.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1307.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1307.kt) | Hard | | 1306 | [跳跃游戏 III](https://www.cnblogs.com/strengthen/p/12151678.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1306.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1306.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1306.kt) | Medium | | 1305 | [两棵二叉搜索树中的所有元素](https://www.cnblogs.com/strengthen/p/12151669.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1305.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1305.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1305.kt) | Medium | | 1304 | [和为零的N个唯一整数](https://www.cnblogs.com/strengthen/p/12151662.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1304.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1304.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1304.kt) | Easy | | 1303 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1303.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1303.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1303.kt) | Easy | | 1302 | [层数最深叶子节点的和](https://www.cnblogs.com/strengthen/p/12151658.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1302.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1302.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1302.kt) | Medium | | 1301 | [最大得分的路径数目](https://www.cnblogs.com/strengthen/p/12151653.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1301.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1301.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1301.kt) | Hard | | 1300 | [转变数组后最接近目标值的数组和](https://www.cnblogs.com/strengthen/p/12151631.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1300.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1300.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1300.kt) | Medium | | 1299 | [将每个元素替换为右侧最大元素](https://www.cnblogs.com/strengthen/p/12151630.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1299.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1299.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1299.kt) | Easy | | 1298 | [你能从盒子里获得的最大糖果数](https://www.cnblogs.com/strengthen/p/12151625.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1298.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1298.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1298.kt) | Hard | | 1297 | [子串的最大出现次数](https://www.cnblogs.com/strengthen/p/12151624.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1297.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1297.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1297.kt) | Medium | | 1296 | [划分数组为连续数字的集合](https://www.cnblogs.com/strengthen/p/12151619.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1296.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1296.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1296.kt) | Medium | | 1295 | [统计位数为偶数的数字](https://www.cnblogs.com/strengthen/p/12151617.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1295.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1295.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1295.kt) | Easy | | 1294 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1294.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1294.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1294.kt) | Easy | | 1293 | [网格中的最短路径](https://www.cnblogs.com/strengthen/p/12151604.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1293.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1293.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1293.kt) | Hard | | 1292 | [元素和小于等于阈值的正方形的最大边长](https://www.cnblogs.com/strengthen/p/12151602.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1292.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1292.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1292.kt) | Medium | | 1291 | [顺次数](https://www.cnblogs.com/strengthen/p/12151601.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1291.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1291.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1291.kt) | Medium | | 1290 | [二进制链表转整数](https://www.cnblogs.com/strengthen/p/12151599.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1290.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1290.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1290.kt) | Easy | | 1289 | [下降路径最小和 II](https://www.cnblogs.com/strengthen/p/12151595.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1289.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1289.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1289.kt) | Hard | | 1288 | [删除被覆盖区间](https://www.cnblogs.com/strengthen/p/12151593.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1288.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1288.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1288.kt) | Medium | | 1287 | [有序数组中出现次数超过25%的元素](https://www.cnblogs.com/strengthen/p/12151591.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1287.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1287.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1287.kt) | Easy | | 1286 | [字母组合迭代器](https://www.cnblogs.com/strengthen/p/12151590.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1286.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1286.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1286.kt) | Medium | | 1285 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1285.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1285.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1285.kt) | Medium | | 1284 | [转化为全零矩阵的最少反转次数](https://www.cnblogs.com/strengthen/p/12151568.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1284.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1284.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1284.kt) | Hard | | 1283 | [使结果不超过阈值的最小除数](https://www.cnblogs.com/strengthen/p/12151565.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1283.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1283.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1283.kt) | Medium | | 1282 | [用户分组](https://www.cnblogs.com/strengthen/p/12151562.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1282.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1282.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1282.kt) | Medium | | 1281 | [整数的各位积和之差](https://www.cnblogs.com/strengthen/p/12151556.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1281.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1281.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1281.kt) | Easy | | 1280 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1280.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1280.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1280.kt) | Easy | | 1279 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1279.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1279.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1279.kt) | Easy | | 1278 | [分割回文串 III](https://www.cnblogs.com/strengthen/p/12151551.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1278.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1278.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1278.kt) | Hard | | 1277 | [统计全为 1 的正方形子矩阵](https://www.cnblogs.com/strengthen/p/12151547.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1277.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1277.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1277.kt) | Medium | | 1276 | [不浪费原料的汉堡制作方案](https://www.cnblogs.com/strengthen/p/12151543.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1276.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1276.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1276.kt) | Medium | | 1275 | [找出井字棋的获胜者](https://www.cnblogs.com/strengthen/p/12151541.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1275.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1275.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1275.kt) | Easy | | 1274 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1274.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1274.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1274.kt) | Hard | | 1273 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1273.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1273.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1273.kt) | Medium | | 1272 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1272.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1272.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1272.kt) | Medium | | 1271 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1271.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1271.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1271.kt) | Easy | | 1270 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1270.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1270.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1270.kt) | Medium | | 1269 | [停在原地的方案数](https://www.cnblogs.com/strengthen/p/11922002.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1269.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1269.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1269.kt) | Hard | | 1268 | [搜索推荐系统](https://www.cnblogs.com/strengthen/p/11921984.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1268.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1268.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1268.kt) | Medium | | 1267 | [统计参与通信的服务器](https://www.cnblogs.com/strengthen/p/11921965.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1267.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1267.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1267.kt) | Medium | | 1266 | [访问所有点的最小时间](https://www.cnblogs.com/strengthen/p/11921953.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1266.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1266.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1266.kt) | Easy | | 1265 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1265.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1265.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1265.kt) | Medium | | 1264 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1264.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1264.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1264.kt) | Medium | | 1263 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1263.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1263.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1263.kt) | Hard | | 1262 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1262.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1262.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1262.kt) | Medium | | 1261 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1261.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1261.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1261.kt) | Medium | | 1260 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1260.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1260.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1260.kt) | Easy | | 1259 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1259.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1259.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1259.kt) | Hard | | 1258 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1258.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1258.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1258.kt) | Medium | | 1257 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1257.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1257.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1257.kt) | Medium | | 1256 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1256.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1256.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1256.kt) | Medium | | 1255 | [得分最高的单词集合](https://www.cnblogs.com/strengthen/p/11831495.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1255.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1255.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1255.kt) | Hard | | 1254 | [统计封闭岛屿的数目](https://www.cnblogs.com/strengthen/p/11831493.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1254.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1254.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1254.kt) | Medium | | 1253 | [重构 2 行二进制矩阵](https://www.cnblogs.com/strengthen/p/11831505.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1253.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1253.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1253.kt) | Medium | | 1252 | [奇数值单元格的数目](https://www.cnblogs.com/strengthen/p/11831506.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1252.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1252.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1252.kt) | Easy | | 1251 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1251.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1251.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1251.kt) | Easy | | 1250 | [检查好数组](https://www.cnblogs.com/strengthen/p/11831469.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1250.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1250.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1250.kt) | Hard | | 1249 | [移除无效的括号](https://www.cnblogs.com/strengthen/p/11831459.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1249.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1249.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1249.kt) | Medium | | 1248 | [统计优美子数组](https://www.cnblogs.com/strengthen/p/11831452.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1248.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1248.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1248.kt) | Medium | | 1247 | [交换字符使得字符串相同](https://www.cnblogs.com/strengthen/p/11831454.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1247.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1247.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1247.kt) | Medium | | 1246 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1246.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1246.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1246.kt) | Hard | | 1245 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1245.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1245.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1245.kt) | Medium | | 1244 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1244.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1244.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1244.kt) | Medium | | 1243 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1243.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1243.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1243.kt) | Easy | | 1242 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1242.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1242.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1242.kt) | Medium | | 1241 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1241.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1241.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1241.kt) | Easy | | 1240 | [铺瓷砖](https://www.cnblogs.com/strengthen/p/11831456.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1240.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1240.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1240.kt) | Hard | | 1239 | [串联字符串的最大长度](https://www.cnblogs.com/strengthen/p/11831445.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1239.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1239.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1239.kt) | Medium | | 1238 | [循环码排列](https://www.cnblogs.com/strengthen/p/11712817.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1238.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1238.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1238.kt) | Medium | | 1237 | [找出给定方程的正整数解](https://www.cnblogs.com/strengthen/p/11712818.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1237.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1237.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1237.kt) | Easy | | 1236 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1236.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1236.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1236.kt) | Medium | | 1235 | [规划兼职工作](https://www.cnblogs.com/strengthen/p/11712815.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1235.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1235.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1235.kt) | Hard | | 1234 | [替换子串得到平衡字符串](https://www.cnblogs.com/strengthen/p/11712816.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1234.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1234.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1234.kt) | Medium | | 1233 | [删除子文件夹](https://www.cnblogs.com/strengthen/p/11712798.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1233.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1233.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1233.kt) | Medium | | 1232 | [缀点成线](https://www.cnblogs.com/strengthen/p/11712801.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1232.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1232.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1232.kt) | Easy | | 1231 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1231.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1231.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1231.kt) | Hard | | 1230 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1230.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1230.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1230.kt) | Medium | | 1229 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1229.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1229.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1229.kt) | Medium | | 1228 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1228.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1228.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1228.kt) | Easy | | 1227 | [飞机座位分配概率](https://www.cnblogs.com/strengthen/p/11712813.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1227.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1227.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1227.kt) | Medium | | 1226 | [哲学家进餐](https://www.cnblogs.com/strengthen/p/11712803.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1226.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1226.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1226.kt) | Medium | | 1225 | [报告系统状态的连续日期](https://www.cnblogs.com/strengthen/p/11712796.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1225.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1225.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1225.kt) | Hard | | 1224 | [最大相等频率](https://www.cnblogs.com/strengthen/p/11627002.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1224.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1224.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1224.kt) | Hard | | 1223 | [掷骰子模拟 ](https://www.cnblogs.com/strengthen/p/11627003.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1223.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1223.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1223.kt) | Medium | | 1222 | [可以攻击国王的皇后](https://www.cnblogs.com/strengthen/p/11627004.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1222.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1222.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1222.kt) | Medium | | 1221 | [分割平衡字符串](https://www.cnblogs.com/strengthen/p/11627001.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1221.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1221.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1221.kt) | Easy | | 1220 | [统计元音字母序列的数目](https://www.cnblogs.com/strengthen/p/11626363.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1220.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1220.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1220.kt) | Hard | | 1219 | [黄金矿工](https://www.cnblogs.com/strengthen/p/11626364.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1219.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1219.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1219.kt) | Medium | | 1218 | [最长定差子序列](https://www.cnblogs.com/strengthen/p/11626362.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1218.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1218.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1218.kt) | Medium | | 1217 | [玩筹码](https://www.cnblogs.com/strengthen/p/11626362.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1217.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1217.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1217.kt) | Easy | | 1216 | [验证回文字符串III](https://www.cnblogs.com/strengthen/p/11608028.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1216.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1216.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1216.kt) | Hard | | 1215 | [步进数](https://www.cnblogs.com/strengthen/p/11608029.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1215.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1215.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1215.kt) | Medium | | 1214 | [查找两棵二叉搜索树之和](https://www.cnblogs.com/strengthen/p/11608025.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1214.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1214.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1214.kt) | Medium | | 1213 | [三个有序数组的交集](https://www.cnblogs.com/strengthen/p/11608027.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1213.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1213.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1213.kt) | Easy | | 1212 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1212.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1212.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1212.kt) | Medium | | 1211 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1211.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1211.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1211.kt) | Easy | | 1210 | [穿过迷宫的最少移动次数](https://www.cnblogs.com/strengthen/p/11566907.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1210.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1210.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1210.kt) | Hard | | 1209 | [删除字符串中的所有相邻重复项II](https://www.cnblogs.com/strengthen/p/11566908.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1209.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1209.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1209.kt) | Medium | | 1208 | [尽可能使字符串相等](https://www.cnblogs.com/strengthen/p/11566897.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1208.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1208.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1208.kt) | Medium | | 1207 | [独一无二的出现次数](https://www.cnblogs.com/strengthen/p/11566901.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1207.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1207.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1207.kt) | Easy | | 1206 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1206.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1206.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1206.kt) | Hard | | 1205 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1205.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1205.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1205.kt) | Medium | | 1204 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1204.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1204.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1204.kt) | Medium | | 1203 | [项目管理](https://www.cnblogs.com/strengthen/p/11565837.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1203.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1203.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1203.kt) | Hard | | 1202 | [交换字符串中的元素](https://www.cnblogs.com/strengthen/p/11565807.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1202.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1202.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1202.kt) | Medium | | 1201 | [丑数III](https://www.cnblogs.com/strengthen/p/11565804.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1201.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1201.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1201.kt) | Medium | | 1200 | [最小绝对差](https://www.cnblogs.com/strengthen/p/11565805.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1200.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1200.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1200.kt) | Easy | | 1199 | [建造街区的最短时间](https://www.cnblogs.com/strengthen/p/11521675.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1199.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1199.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1199.kt) | Hard | | 1198 | [找出所有行中最小公共元素](https://www.cnblogs.com/strengthen/p/11521672.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1198.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1198.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1198.kt) | Medium | | 1197 | [进击的骑士](https://www.cnblogs.com/strengthen/p/11521674.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1197.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1197.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1197.kt) | Medium | | 1196 | [最多可以买到的苹果数量](https://www.cnblogs.com/strengthen/p/11521670.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1196.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1196.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1196.kt) | Easy | | 1195 | [FizzBuzz多线程](https://www.cnblogs.com/strengthen/p/11565806.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1195.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1195.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1195.kt) | Medium | | 1194 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1194.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1194.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1194.kt) | Hard | | 1193 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1193.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1193.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1193.kt) | Medium | | 1192 | [查找集群内的关键连接](https://www.cnblogs.com/strengthen/p/11521660.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1192.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1192.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1192.kt) | Hard | | 1191 | [K次串联后最大子数组之和](https://www.cnblogs.com/strengthen/p/11521662.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1191.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1191.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1191.kt) | Medium | | 1190 | [反转每对括号间的子串](https://www.cnblogs.com/strengthen/p/11521663.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1190.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1190.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1190.kt) | Medium | | 1189 | [气球的最大数量](https://www.cnblogs.com/strengthen/p/11521665.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1189.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1189.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1189.kt) | Easy | | 1188 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1188.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1188.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1188.kt) | Medium | | 1187 | [使数组严格递增](https://www.cnblogs.com/strengthen/p/11484999.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1187.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1187.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1187.kt) | Hard | | 1186 | [删除一次得到子数组最大和](https://www.cnblogs.com/strengthen/p/11484995.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1186.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1186.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1186.kt) | Medium | | 1185 | [一周中的第几天](https://www.cnblogs.com/strengthen/p/11484998.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1185.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1185.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1185.kt) | Easy | | 1184 | [公交站间的距离](https://www.cnblogs.com/strengthen/p/11484994.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1184.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1184.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1184.kt) | Easy | | 1183 | [矩阵中1的最大数量](https://www.cnblogs.com/strengthen/p/11484247.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1183.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1183.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1183.kt) | Hard | | 1182 | [与目标颜色间的最短距离](https://www.cnblogs.com/strengthen/p/11484246.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1182.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1182.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1182.kt) | Medium | | 1181 | [前后拼接](https://www.cnblogs.com/strengthen/p/11484245.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1181.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1181.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1181.kt) | Medium | | 1180 | [统计只含单一字母的子串](https://www.cnblogs.com/strengthen/p/11484244.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1180.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1180.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1180.kt) | Easy | | 1179 | [重新格式化部门表](https://www.cnblogs.com/strengthen/p/11484248.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1179.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1179.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1179.kt) | Easy | | 1178 | [猜字谜](https://www.cnblogs.com/strengthen/p/11443478.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1178.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1178.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1178.kt) | Hard | | 1177 | [构建回文串检测](https://www.cnblogs.com/strengthen/p/11443477.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1177.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1177.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1177.kt) | Medium | | 1176 | [健身计划评估](https://www.cnblogs.com/strengthen/p/11443476.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1176.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1176.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1176.kt) | Easy | | 1175 | [质数排列](https://www.cnblogs.com/strengthen/p/11443474.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1175.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1175.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1175.kt) | Easy | | 1174 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1174.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1174.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1174.kt) | Medium | | 1173 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1173.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1173.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1173.kt) | Easy | | 1172 | [餐盘栈](https://www.cnblogs.com/strengthen/p/11407524.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1172.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1172.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1172.kt) | Hard | | 1171 | [从链表中删去总和值为零的连续节点](https://www.cnblogs.com/strengthen/p/11407525.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1171.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1171.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1171.kt) | Medium | | 1170 | [比较字符串最小字母出现频次](https://www.cnblogs.com/strengthen/p/11407520.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1170.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1170.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1170.kt) | Easy | | 1169 | [查询无效交易](https://www.cnblogs.com/strengthen/p/11407518.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1169.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1169.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1169.kt) | Easy | | 1168 | [水资源分配优化](https://www.cnblogs.com/strengthen/p/11407047.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1168.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1168.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1168.kt) | Hard | | 1167 | [连接棒材的最低费用](https://www.cnblogs.com/strengthen/p/11407050.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1167.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1167.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1167.kt) | Medium | | 1166 | [设计文件系统](https://www.cnblogs.com/strengthen/p/11407049.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1166.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1166.py) | 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1145 | [二叉树着色游戏](https://www.cnblogs.com/strengthen/p/11297770.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1145.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1145.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1145.kt) | Hard | | 1144 | [递减元素使数组呈锯齿状](https://www.cnblogs.com/strengthen/p/11297773.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1144.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1144.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1144.kt) | Easy | | 1143 | [最长公共子序列](https://www.cnblogs.com/strengthen/p/11297774.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1143.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1143.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1143.kt) | Easy | | 1142 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1142.cpp) | 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Medium | | 1138 | [字母板上的路径](https://www.cnblogs.com/strengthen/p/11258427.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1138.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1138.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1138.kt) | Medium | | 1137 | [第N个泰波那契数](https://www.cnblogs.com/strengthen/p/11258425.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1137.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1137.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1137.kt) | Easy | | 1136 | [平行课程](https://www.cnblogs.com/strengthen/p/11258424.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1136.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1136.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1136.kt) | Hard | | 1135 | [最低成本联通所有城市](https://www.cnblogs.com/strengthen/p/11258422.html) | 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| 1128 | [等价多米诺骨牌对的数量](https://www.cnblogs.com/strengthen/p/11179560.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1128.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1128.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1128.kt) | Easy | | 1127 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1127.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1127.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1127.kt) | Hard | | 1126 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1126.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1126.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1126.kt) | Medium | | 1125 | [最小的必要团队](https://www.cnblogs.com/strengthen/p/11179545.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1125.cpp) | 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[✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1122.kt) | Easy | | 1121 | [将数组分成几个递增序列](https://www.cnblogs.com/strengthen/p/11179565.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1121.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1121.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1121.kt) | Hard | | 1120 | [子树的最大平均值](https://www.cnblogs.com/strengthen/p/11179550.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1120.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1120.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1120.kt) | Medium | | 1119 | [删去字符串中的元音](https://www.cnblogs.com/strengthen/p/11179552.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1119.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1119.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1119.kt) | Easy | | 1118 | [一月有多少天](https://www.cnblogs.com/strengthen/p/11179554.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1118.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1118.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1118.kt) | Easy | | 1117 | [H2O生成](https://www.cnblogs.com/strengthen/p/11289221.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1117.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1117.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1117.kt) | Hard | | 1116 | [打印零与奇偶数](https://www.cnblogs.com/strengthen/p/11289223.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1116.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1116.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1116.kt) | Medium | | 1115 | [交替打印FooBar](https://www.cnblogs.com/strengthen/p/11289225.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1115.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1115.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1115.kt) | Medium | | 1114 | [按序打印](https://www.cnblogs.com/strengthen/p/11289226.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1114.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1114.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1114.kt) | Easy | | 1113 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1113.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1113.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1113.kt) | Easy | | 1112 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1112.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1112.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1112.kt) | Medium | | 1111 | [有效括号的嵌套深度](https://www.cnblogs.com/strengthen/p/11112217.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1111.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1111.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1111.kt) | Medium | | 1110 | [删点成林](https://www.cnblogs.com/strengthen/p/11112218.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1110.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1110.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1110.kt) | Medium | | 1109 | [航班预订统计](https://www.cnblogs.com/strengthen/p/11112219.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1109.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1109.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1109.kt) | Medium | | 1108 | [IP地址无效化](https://www.cnblogs.com/strengthen/p/11112213.html) | 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[彼此熟识的最早时间](https://www.cnblogs.com/strengthen/p/11075289.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1101.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1101.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1101.kt) | Medium | | 1100 | [长度为K的无重复字符子串](https://www.cnblogs.com/strengthen/p/11075293.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1100.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1100.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1100.kt) | Medium | | 1099 | [小于K的两数之和](https://www.cnblogs.com/strengthen/p/11075284.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1099.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1099.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1099.kt) | Easy | | 1098 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1098.cpp) | 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| | 1094 | [拼车](https://www.cnblogs.com/strengthen/p/11032164.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1094.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1094.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1094.kt) | Medium | | 1093 | [大样本统计](https://www.cnblogs.com/strengthen/p/11032157.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1093.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1093.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1093.kt) | Medium | | 1092 | [最短公共超序列](https://www.cnblogs.com/strengthen/p/11014399.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1092.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1092.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1092.kt) | Hard | | 1091 | [二进制矩阵中的最短路径](https://www.cnblogs.com/strengthen/p/11014400.html) | 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[✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1085.kt) | Easy | | 1084 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1084.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1084.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1084.kt) | Easy | | 1083 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1083.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1083.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1083.kt) | Easy | | 1082 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1082.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1082.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1082.kt) | Easy | | 1081 | [不同字符的最小子序列](https://www.cnblogs.com/strengthen/p/10993157.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1081.cpp) | 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[✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1071.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1071.kt) | Easy | | 1070 | [产品销售分析III $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1070.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1070.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1070.kt) | Medium | | 1069 | [产品销售分析II $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1069.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1069.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1069.kt) | Easy | | 1068 | [产品销售分析I $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1068.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1068.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1068.kt) | Easy | | 1067 | [范围内的数字计数](https://www.cnblogs.com/strengthen/p/10961687.html) | 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[✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1064.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1064.kt) | Easy | | 1063 | [有效子数组数 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1063.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1063.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1063.kt) | Hard | | 1062 | [最长重复子字符串 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1062.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1062.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1062.kt) | Medium | | 1061 | [词典最小等价字符串 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1061.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1061.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1061.kt) | Medium | | 1060 | [排序数组中缺少元素 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1060.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1060.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1060.kt) | Medium | | 1059 | [从源头到目的地的所有路径 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1059.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1059.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1059.kt) | Hard | | 1058 | [最小化舍入误差以达到目标 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1058.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1058.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1058.kt) | Medium | | 1057 | [校园自行车 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1057.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1057.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1057.kt) | Medium | | 1056 | [混淆的数字 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1056.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1056.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1056.kt) | Easy | | 1055 | [形成字符串的最短方法 $] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1055.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1055.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1055.kt) | Medium | | 1054 | [距离相等的条形码](https://www.cnblogs.com/strengthen/p/10925094.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1054.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1054.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1054.kt) | Medium | | 1053 | [交换一次的先前排列](https://www.cnblogs.com/strengthen/p/10925089.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1053.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1053.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1053.kt) | Medium | | 1052 | [爱生气的书店老板](https://www.cnblogs.com/strengthen/p/10925087.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1052.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1052.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1052.kt) | Medium | | 1051 | [高度检查器](https://www.cnblogs.com/strengthen/p/10925085.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1051.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1051.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1051.kt) | Easy | | 1050 | [合作至少三次的演员和导演](https://www.cnblogs.com/strengthen/p/10925732.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1050.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1050.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1050.kt) | Easy | | 1049 | [最后一块石头的重量II](https://www.cnblogs.com/strengthen/p/10885064.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1049.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1049.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1049.kt) | Medium | | 1048 | [最长字符串链](https://www.cnblogs.com/strengthen/p/10884786.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1048.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1048.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1048.kt) | Medium | | 1047 | [删除字符串中的所有相邻重复项](https://www.cnblogs.com/strengthen/p/10884782.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1047.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1047.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1047.kt) | Easy | | 1046 | [最后一块石头的重量](https://www.cnblogs.com/strengthen/p/10884775.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1046.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1046.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1046.kt) | Easy | | 1045 | [购买所有产品的客户](https://www.cnblogs.com/strengthen/p/10884773.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1045.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1045.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1045.kt) | Medium | | 1043 | [分隔数组以得到最大和](https://www.cnblogs.com/strengthen/p/10852127.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1043.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1043.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1043.kt) | Medium | | 1042 | [不邻接植花](https://www.cnblogs.com/strengthen/p/10852070.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1042.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1042.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1042.kt) | Easy | | 1041 | [困于环中的机器人](https://www.cnblogs.com/strengthen/p/10851797.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1041.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1041.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1041.kt) | Easy | | 1040 | [移动石子直到连续II](https://www.cnblogs.com/strengthen/p/10810817.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1040.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1040.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1040.kt) | Medium | | 1039 | [多边形三角剖分的最低得分](https://www.cnblogs.com/strengthen/p/10810816.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1039.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1039.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1039.kt) | Medium | | 1038 | [从二叉搜索树到更大和树](https://www.cnblogs.com/strengthen/p/10810812.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1038.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1038.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1038.kt) | Medium | | 1037 | [有效的回旋镖](https://www.cnblogs.com/strengthen/p/10810810.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1037.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1037.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1037.kt) | Easy | | 1036 | [逃离大迷宫](https://www.cnblogs.com/strengthen/p/10783485.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1036.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1036.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1036.kt) | Hard | | 1035 | [不相交的线](https://www.cnblogs.com/strengthen/p/10783476.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1035.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1035.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1035.kt) | Medium | | 1034 | [边框着色](https://www.cnblogs.com/strengthen/p/10783467.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1034.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1034.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1034.kt) | Medium | | 1033 | [移动石子直到连续](https://www.cnblogs.com/strengthen/p/10783233.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1033.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1033.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1033.kt) | Easy | | 1032 | [字符流](https://www.cnblogs.com/strengthen/p/10744673.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1032.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1032.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1032.kt) | Hard | | 1031 | [两个非重叠子数组的最大和](https://www.cnblogs.com/strengthen/p/10744670.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1031.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1031.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1031.kt) | Medium | | 1030 | [距离顺序排列矩阵单元格](https://www.cnblogs.com/strengthen/p/10744606.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1030.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1030.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1030.kt) | Easy | | 1029 | [两地调度](https://www.cnblogs.com/strengthen/p/10744640.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1029.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1029.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1029.kt) | Easy | | 1028 | [从先序遍历还原二叉树](https://www.cnblogs.com/strengthen/p/10704934.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1028.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1028.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1028.kt) | Hard | | 1027 | [最长等差数列](https://www.cnblogs.com/strengthen/p/10704802.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1027.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1027.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1027.kt) | Medium | | 1026 | [节点与其祖先之间的最大差值](https://www.cnblogs.com/strengthen/p/10704595.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1026.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1026.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1026.kt) | Medium | | 1025 | [除数博弈](https://www.cnblogs.com/strengthen/p/10704584.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1025.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1025.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1025.kt) | Easy | | 1024 | [视频拼接](https://www.cnblogs.com/strengthen/p/10668090.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1024.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1024.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1024.kt) | Medium | | 1023 | [驼峰式匹配](https://www.cnblogs.com/strengthen/p/10668058.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1023.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1023.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1023.kt) | Medium | | 1022 | [从根到叶的二进制数之和](https://www.cnblogs.com/strengthen/p/10667991.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1022.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1022.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1022.kt) | Easy | | 1021 | [删除最外层的括号](https://www.cnblogs.com/strengthen/p/10667927.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1021.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1021.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1021.kt) | Easy | | 1020 | [飞地的数量](https://www.cnblogs.com/strengthen/p/10634516.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1020.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1020.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1020.kt) | Medium | | 1019 | [链表中的下一个更大节点](https://www.cnblogs.com/strengthen/p/10634379.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1019.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1019.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1019.kt) | Medium | | 1018 | [可被5整除的二进制前缀](https://www.cnblogs.com/strengthen/p/10633347.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1018.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1018.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1018.kt) | Easy | | 1017 | [负二进制转换](https://www.cnblogs.com/strengthen/p/10634364.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1017.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1017.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1017.kt) | Medium | | 1016 | [子串能表示从1到N数字的二进制串](https://www.cnblogs.com/strengthen/p/10588057.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1016.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1016.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1016.kt) | Medium | | 1015 | [可被K整除的最小整数](https://www.cnblogs.com/strengthen/p/10587885.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1015.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1015.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1015.kt) | Medium | | 1014 | [最佳观光组合](https://www.cnblogs.com/strengthen/p/10587905.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1014.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1014.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1014.kt) | Medium | | 1013 | [将数组分成和相等的三个部分](https://www.cnblogs.com/strengthen/p/10587854.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1013.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1013.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1013.kt) | Easy | | 1012 | [至少有1位重复的数字](https://www.cnblogs.com/strengthen/p/10546296.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1012.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1012.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1012.kt) | Hard | | 1011 | [在D天内送达包裹的能力](https://www.cnblogs.com/strengthen/p/10546244.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1011.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1011.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1011.kt) | Medium | | 1010 | [总持续时间可被60整除的歌曲](https://www.cnblogs.com/strengthen/p/10546217.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1010.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1010.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1010.kt) | Easy | | 1009 | [十进制整数的补码](https://www.cnblogs.com/strengthen/p/10546205.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1009.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1009.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1009.kt) | Easy | | 1008 | [先序遍历构造二叉树](https://www.cnblogs.com/strengthen/p/10504907.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1008.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1008.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1008.kt) | Medium | | 1007 | [行相等的最少多米诺旋转](https://www.cnblogs.com/strengthen/p/10504894.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1007.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1007.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1007.kt) | Medium | | 1006 | [笨阶乘](https://www.cnblogs.com/strengthen/p/10504875.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1006.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1006.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1006.kt) | Medium | | 1005 | [K次取反后最大化的数组和](https://www.cnblogs.com/strengthen/p/10504835.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1005.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1005.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1005.kt) | Easy | | 1004 | [最大连续1的个数III](https://www.cnblogs.com/strengthen/p/10464806.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1004.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1004.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1004.kt) | Medium | | 1003 | [检查替换后的词是否有效](https://www.cnblogs.com/strengthen/p/10464750.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1003.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1003.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1003.kt) | Medium | | 1002 | [查找常用字符](https://www.cnblogs.com/strengthen/p/10464627.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1002.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1002.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1002.kt) | Easy | | 1001 | [网格照明](https://www.cnblogs.com/strengthen/p/10430537.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1001.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1001.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1001.kt) | Hard | | 1000 | [合并石头的最低成本](https://www.cnblogs.com/strengthen/p/10464869.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1000.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1000.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1000.kt) | Hard | | 999 | [车的可用捕获量](https://www.cnblogs.com/strengthen/p/10429051.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/999.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/999.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/999.kt) | Easy | | 998 | [最大二叉树II](https://www.cnblogs.com/strengthen/p/10429077.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/998.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/998.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/998.kt) | Medium | | 997 | [找到小镇的法官](https://www.cnblogs.com/strengthen/p/10429029.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/997.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/997.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/997.kt) | Easy | | 996 | [正方形数组的数目](https://www.cnblogs.com/strengthen/p/10390780.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/996.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/996.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/996.kt) | Hard | | 995 | [K连续位的最小翻转次数](https://www.cnblogs.com/strengthen/p/10390746.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/995.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/995.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/995.kt) | Hard | | 994 | [腐烂的橘子](https://www.cnblogs.com/strengthen/p/10390715.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/994.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/994.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/994.kt) | Easy | | 993 | [二叉树的堂兄弟节点](https://www.cnblogs.com/strengthen/p/10390643.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/993.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/993.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/993.kt) | Easy | | 992 | [K个不同整数的子数组](https://www.cnblogs.com/strengthen/p/10361564.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/992.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/992.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/992.kt) | Hard | | 991 | [坏了的计算器](https://www.cnblogs.com/strengthen/p/10361540.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/991.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/991.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/991.kt) | Medium | | 990 | [等式方程的可满足性](https://www.cnblogs.com/strengthen/p/10361525.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/990.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/990.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/990.kt) | Medium | | 989 | [数组形式的整数加法](https://www.cnblogs.com/strengthen/p/10361491.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/989.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/989.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/989.kt) | Easy | | 988 | [从叶结点开始的最小字符串](https://www.cnblogs.com/strengthen/p/10351691.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/988.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/988.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/988.kt) | Medium | | 987 | [二叉树的垂序遍历](https://www.cnblogs.com/strengthen/p/10351710.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/987.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/987.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/987.kt) | Medium | | 986 | [区间列表的交集](https://www.cnblogs.com/strengthen/p/10351703.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/986.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/986.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/986.kt) | Medium | | 985 | [查询后的偶数和](https://www.cnblogs.com/strengthen/p/10351683.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/985.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/985.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/985.kt) | Easy | | 984 | [不含AAA或BBB的字符串](https://www.cnblogs.com/strengthen/p/10326041.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/984.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/984.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/984.kt) | Medium | | 983 | [最低票价](https://www.cnblogs.com/strengthen/p/10326127.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/983.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/983.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/983.kt) | Medium | | 982 | [按位与为零的三元组](https://www.cnblogs.com/strengthen/p/10326155.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/982.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/982.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/982.kt) | Hard | | 981 | [基于时间的键值存储](https://www.cnblogs.com/strengthen/p/10326114.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/981.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/981.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/981.kt) | Medium | | 980 | [不同路径III](https://www.cnblogs.com/strengthen/p/10295241.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/980.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/980.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/980.kt) | Hard | | 979 | [在二叉树中分配硬币](https://www.cnblogs.com/strengthen/p/10295198.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/979.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/979.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/979.kt) | Medium | | 978 | [最长湍流子数组](https://www.cnblogs.com/strengthen/p/10294636.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/978.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/978.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/978.kt) | Medium | | 977 | [有序数组的平方](https://www.cnblogs.com/strengthen/p/10294613.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/977.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/977.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/977.kt) | Easy | | 976 | [三角形的最大周长](https://www.cnblogs.com/strengthen/p/10262240.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/976.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/976.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/976.kt) | Easy | | 975 | [奇偶跳](https://www.cnblogs.com/strengthen/p/10262689.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/975.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/975.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/975.kt) | Hard | | 974 | [和可被K整除的子数组](https://www.cnblogs.com/strengthen/p/10262262.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/974.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/974.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/974.kt) | Medium | | 973 | [最接近原点的K个点](https://www.cnblogs.com/strengthen/p/10262303.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/973.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/973.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/973.kt) | Medium | | 972 | [相等的有理数](https://www.cnblogs.com/strengthen/p/10228778.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/972.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/972.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/972.kt) | Hard | | 971 | [翻转二叉树以匹配先序遍历](https://www.cnblogs.com/strengthen/p/10228410.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/971.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/971.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/971.kt) | Medium | | 970 | [强整数](https://www.cnblogs.com/strengthen/p/10228288.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/970.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/970.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/970.kt) | Easy | | 969 | [煎饼排序](https://www.cnblogs.com/strengthen/p/10228389.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/969.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/969.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/969.kt) | Medium | | 968 | [监控二叉树](https://www.cnblogs.com/strengthen/p/10201562.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/968.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/968.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/968.kt) | Hard | | 967 | [连续差相同的数字](https://www.cnblogs.com/strengthen/p/10201442.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/967.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/967.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/967.kt) | Medium | | 966 | [元音拼写检查器](https://www.cnblogs.com/strengthen/p/10201510.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/966.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/966.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/966.kt) | Medium | | 965 | [单值二叉树](https://www.cnblogs.com/strengthen/p/10201416.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/965.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/965.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/965.kt) | Easy | | 964 | [表示数字的最少运算符](https://www.cnblogs.com/strengthen/p/10165397.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/964.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/964.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/964.kt) | Hard | | 963 | [最小面积矩形II](https://www.cnblogs.com/strengthen/p/10165340.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/963.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/963.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/963.kt) | Medium | | 962 | [最大宽度坡](https://www.cnblogs.com/strengthen/p/10165234.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/962.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/962.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/962.kt) | Medium | | 961 | [重复N次的元素](https://www.cnblogs.com/strengthen/p/10165080.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/961.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/961.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/961.kt) | Easy | | 960 | [删列造序III](https://www.cnblogs.com/strengthen/p/10126555.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/960.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/960.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/960.kt) | Hard | | 959 | [由斜杠划分区域](https://www.cnblogs.com/strengthen/p/10126492.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/959.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/959.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/959.kt) | Medium | | 958 | [二叉树的完全性检验](https://www.cnblogs.com/strengthen/p/10126293.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/958.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/958.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/958.kt) | Medium | | 957 | [N天后的牢房](https://www.cnblogs.com/strengthen/p/10126178.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/957.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/957.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/957.kt) | Medium | | 956 | [最高的广告牌](https://www.cnblogs.com/strengthen/p/10090961.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/956.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/956.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/956.kt) | Hard | | 955 | [删列造序II](https://www.cnblogs.com/strengthen/p/10090839.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/955.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/955.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/955.kt) | Medium | | 954 | [二倍数对数组](https://www.cnblogs.com/strengthen/p/10090740.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/954.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/954.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/954.kt) | Medium | | 953 | [验证外星语词典](https://www.cnblogs.com/strengthen/p/10090815.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/953.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/953.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/953.kt) | Easy | | 952 | [按公因数计算最大组件大小](https://www.cnblogs.com/strengthen/p/10053034.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/952.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/952.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/952.kt) | Hard | | 951 | [翻转等价二叉树](https://www.cnblogs.com/strengthen/p/10052910.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/951.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/951.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/951.kt) | Medium | | 950 | [按递增顺序显示卡牌](https://www.cnblogs.com/strengthen/p/10052972.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/950.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/950.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/950.kt) | Medium | | 949 | [给定数字能组成的最大时间](https://www.cnblogs.com/strengthen/p/10052893.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/949.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/949.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/949.kt) | Easy | | 948 | [令牌放置](https://www.cnblogs.com/strengthen/p/10015319.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/948.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/948.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/948.kt) | Medium | | 947 | [移除最多的同行或同列石头](https://www.cnblogs.com/strengthen/p/10015292.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/947.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/947.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/947.kt) | Medium | | 946 | [验证栈序列](https://www.cnblogs.com/strengthen/p/10015225.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/946.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/946.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/946.kt) | Medium | | 945 | [使数组唯一的最小增量](https://www.cnblogs.com/strengthen/p/10015200.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/945.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/945.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/945.kt) | Medium | | 944 | [删除列以使之有序](https://www.cnblogs.com/strengthen/p/9977742.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/944.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/944.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/944.kt) | Easy | | 943 | [最短超级串](https://www.cnblogs.com/strengthen/p/10015724.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/943.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/943.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/943.kt) | Hard | | 942 | [增减字符串匹配](https://www.cnblogs.com/strengthen/p/9977759.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/942.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/942.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/942.kt) | Easy | | 941 | [有效的山脉数组](https://www.cnblogs.com/strengthen/p/9977686.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/941.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/941.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/941.kt) | Easy | | 940 | [不同的子序列II](https://www.cnblogs.com/strengthen/p/9942132.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/940.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/940.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/940.kt) | Hard | | 939 | [最小面积矩形](https://www.cnblogs.com/strengthen/p/9942063.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/939.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/939.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/939.kt) | Medium | | 938 | [二叉搜索树的范围和](https://www.cnblogs.com/strengthen/p/9941881.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/938.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/938.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/938.kt) | Medium | | 937 | [重新排列日志文件](https://www.cnblogs.com/strengthen/p/9942450.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/937.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/937.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/937.kt) | Easy | | 936 | [戳印序列](https://www.cnblogs.com/strengthen/p/9904208.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/936.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/936.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/936.kt) | Hard | | 935 | [骑士拨号器](https://www.cnblogs.com/strengthen/p/9903415.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/935.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/935.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/935.kt) | Medium | | 934 | [最短的桥](https://www.cnblogs.com/strengthen/p/9903939.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/934.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/934.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/934.kt) | Medium | | 933 | [最近的请求次数](https://www.cnblogs.com/strengthen/p/9903392.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/933.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/933.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/933.kt) | Easy | | 932 | [漂亮数组](https://www.cnblogs.com/strengthen/p/9865478.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/932.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/932.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/932.kt) | Medium | | 931 | [下降路径最小和](https://www.cnblogs.com/strengthen/p/9865369.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/931.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/931.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/931.kt) | Medium | | 930 | [和相同的二元子数组](https://www.cnblogs.com/strengthen/p/9865173.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/930.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/930.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/930.kt) | Medium | | 929 | [独特的电子邮件地址](https://www.cnblogs.com/strengthen/p/9865133.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/929.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/929.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/929.kt) | Easy | | 928 | [尽量减少恶意软件的传播II](https://www.cnblogs.com/strengthen/p/9825788.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/928.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/928.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/928.kt) | Hard | | 927 | [三等分](https://www.cnblogs.com/strengthen/p/9826329.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/927.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/927.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/927.kt) | Hard | | 926 | [将字符串翻转到单调递增](https://www.cnblogs.com/strengthen/p/9824906.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/926.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/926.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/926.kt) | Medium | | 925 | [长按键入](https://www.cnblogs.com/strengthen/p/9824714.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/925.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/925.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/925.kt) | Easy | | 924 | [尽量减少恶意软件的传播](https://www.cnblogs.com/strengthen/p/9832226.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/924.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/924.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/924.kt) | Hard | | 923 | [三数之和的多种可能](https://www.cnblogs.com/strengthen/p/9830546.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/923.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/923.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/923.kt) | Medium | | 922 | [按奇偶排序数组II](https://www.cnblogs.com/strengthen/p/9828530.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/922.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/922.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/922.kt) | Easy | | 921 | [使括号有效的最少添加](https://www.cnblogs.com/strengthen/p/9828360.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/921.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/921.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/921.kt) | Medium | | 920 | [播放列表的数量](https://www.cnblogs.com/strengthen/p/9750997.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/920.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/920.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/920.kt) | Hard | | 919 | [完全二叉树插入器](https://www.cnblogs.com/strengthen/p/9758408.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/919.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/919.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/919.kt) | Medium | | 918 | [环形子数组的最大和](https://www.cnblogs.com/strengthen/p/9750938.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/918.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/918.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/918.kt) | Medium | | 917 | [仅仅反转字母](https://www.cnblogs.com/strengthen/p/9750841.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/917.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/917.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/917.kt) | Easy | | 916 | [单词子集](https://www.cnblogs.com/strengthen/p/9857027.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/916.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/916.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/916.kt) | Medium | | 915 | [将分区数组分成不相交的间隔](https://www.cnblogs.com/strengthen/p/9856730.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/915.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/915.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/915.kt) | Medium | | 914 | [一副牌中的X](https://www.cnblogs.com/strengthen/p/9856704.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/914.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/914.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/914.kt) | Easy | | 913 | [猫与老鼠](https://www.cnblogs.com/strengthen/p/9858200.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/913.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/913.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/913.kt) | Hard | | 912 | [排序数组](https://www.cnblogs.com/strengthen/p/10886335.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/912.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/912.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/912.kt) | Medium | | 911 | [在线选举](https://www.cnblogs.com/strengthen/p/10610063.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/911.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/911.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/911.kt) | Medium | | 910 | [最小差值II](https://www.cnblogs.com/strengthen/p/10609971.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/910.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/910.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/910.kt) | Medium | | 909 | [蛇梯棋](https://www.cnblogs.com/strengthen/p/10609919.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/909.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/909.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/909.kt) | Medium | | 908 | [最小差值I](https://www.cnblogs.com/strengthen/p/10610215.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/908.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/908.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/908.kt) | Easy | | 907 | [子数组的最小值之和](https://www.cnblogs.com/strengthen/p/10609813.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/907.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/907.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/907.kt) | Medium | | 906 | [超级回文数](https://www.cnblogs.com/strengthen/p/10609103.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/906.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/906.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/906.kt) | Hard | | 905 | [按奇偶排序数组](https://www.cnblogs.com/strengthen/p/10608457.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/905.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/905.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/905.kt) | Easy | | 904 | [水果成篮](https://www.cnblogs.com/strengthen/p/10608277.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/904.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/904.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/904.kt) | Medium | | 903 | [DI序列的有效排列](https://www.cnblogs.com/strengthen/p/10608147.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/903.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/903.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/903.kt) | Hard | | 902 | [最大为N的数字组合](https://www.cnblogs.com/strengthen/p/10608055.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/902.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/902.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/902.kt) | Hard | | 901 | [股票价格跨度](https://www.cnblogs.com/strengthen/p/10607919.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/901.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/901.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/901.kt) | Medium | | 900 | [RLE迭代器](https://www.cnblogs.com/strengthen/p/10607679.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/900.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/900.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/900.kt) | Medium | | 899 | [有序队列](https://www.cnblogs.com/strengthen/p/10607584.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/899.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/899.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/899.kt) | Hard | | 898 | [子数组按位或操作](https://www.cnblogs.com/strengthen/p/10607099.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/898.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/898.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/898.kt) | Medium | | 897 | [递增顺序查找树](https://www.cnblogs.com/strengthen/p/10606692.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/897.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/897.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/897.kt) | Easy | | 896 | [单调数列](https://www.cnblogs.com/strengthen/p/10606658.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/896.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/896.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/896.kt) | Easy | | 895 | [最大频率栈](https://www.cnblogs.com/strengthen/p/10605780.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/895.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/895.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/895.kt) | Hard | | 894 | [所有可能的满二叉树](https://www.cnblogs.com/strengthen/p/10605621.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/894.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/894.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/894.kt) | Medium | | 893 | [特殊等价字符串组](https://www.cnblogs.com/strengthen/p/10605452.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/893.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/893.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/893.kt) | Easy | | 892 | [三维形体的表面积](https://www.cnblogs.com/strengthen/p/10605299.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/892.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/892.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/892.kt) | Easy | | 891 | [子序列宽度之和](https://www.cnblogs.com/strengthen/p/10605273.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/891.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/891.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/891.kt) | Hard | | 890 | [查找和替换模式](https://www.cnblogs.com/strengthen/p/10605199.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/890.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/890.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/890.kt) | Medium | | 889 | [根据前序和后序遍历构造二叉树](https://www.cnblogs.com/strengthen/p/10605152.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/889.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/889.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/889.kt) | Medium | | 888 | [公平的糖果交换](https://www.cnblogs.com/strengthen/p/10604113.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/888.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/888.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/888.kt) | Easy | | 887 | [鸡蛋掉落](https://www.cnblogs.com/strengthen/p/10604059.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/887.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/887.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/887.kt) | Hard | | 886 | [可能的二分法](https://www.cnblogs.com/strengthen/p/10603871.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/886.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/886.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/886.kt) | Medium | | 885 | [螺旋矩阵III](https://www.cnblogs.com/strengthen/p/10603685.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/885.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/885.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/885.kt) | Medium | | 884 | [两句话中的不常见单词](https://www.cnblogs.com/strengthen/p/10603493.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/884.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/884.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/884.kt) | Easy | | 883 | [三维形体投影面积](https://www.cnblogs.com/strengthen/p/10603399.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/883.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/883.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/883.kt) | Easy | | 882 | [细分图中的可到达结点](https://www.cnblogs.com/strengthen/p/10602841.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/882.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/882.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/882.kt) | Hard | | 881 | [救生艇](https://www.cnblogs.com/strengthen/p/10602721.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/881.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/881.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/881.kt) | Medium | | 880 | [索引处的解码字符串](https://www.cnblogs.com/strengthen/p/10602684.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/880.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/880.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/880.kt) | Medium | | 879 | [盈利计划](https://www.cnblogs.com/strengthen/p/10601257.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/879.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/879.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/879.kt) | Hard | | 878 | [第N个神奇数字](https://www.cnblogs.com/strengthen/p/10601072.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/878.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/878.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/878.kt) | Hard | | 877 | [石子游戏](https://www.cnblogs.com/strengthen/p/10600937.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/877.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/877.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/877.kt) | Medium | | 876 | [链表的中间结点](https://www.cnblogs.com/strengthen/p/10600796.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/876.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/876.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/876.kt) | Easy | | 875 | [爱吃香蕉的珂珂](https://www.cnblogs.com/strengthen/p/10600685.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/875.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/875.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/875.kt) | Medium | | 874 | [模拟行走机器人](https://www.cnblogs.com/strengthen/p/10600487.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/874.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/874.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/874.kt) | Easy | | 873 | [最长的斐波那契子序列的长度](https://www.cnblogs.com/strengthen/p/10600243.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/873.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/873.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/873.kt) | Medium | | 872 | [叶子相似的树](https://www.cnblogs.com/strengthen/p/10600036.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/872.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/872.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/872.kt) | Easy | | 871 | [最低加油次数](https://www.cnblogs.com/strengthen/p/10599859.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/871.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/871.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/871.kt) | Hard | | 870 | [优势洗牌](https://www.cnblogs.com/strengthen/p/10598061.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/870.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/870.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/870.kt) | Medium | | 869 | [重新排序得到2的幂](https://www.cnblogs.com/strengthen/p/10596985.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/869.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/869.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/869.kt) | Medium | | 868 | [二进制间距](https://www.cnblogs.com/strengthen/p/10596929.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/868.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/868.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/868.kt) | Easy | | 867 | [转置矩阵](https://www.cnblogs.com/strengthen/p/10588964.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/867.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/867.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/867.kt) | Easy | | 866 | [回文素数](https://www.cnblogs.com/strengthen/p/10596862.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/866.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/866.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/866.kt) | Medium | | 865 | [具有所有最深结点的最小子树](https://www.cnblogs.com/strengthen/p/10596780.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/865.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/865.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/865.kt) | Medium | | 864 | [获取所有钥匙的最短路径](https://www.cnblogs.com/strengthen/p/10596616.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/864.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/864.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/864.kt) | Hard | | 863 | [二叉树中所有距离为K的结点](https://www.cnblogs.com/strengthen/p/10596718.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/863.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/863.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/863.kt) | Medium | | 862 | [和至少为K的最短子数组](https://www.cnblogs.com/strengthen/p/10595590.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/862.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/862.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/862.kt) | Hard | | 861 | [翻转矩阵后的得分](https://www.cnblogs.com/strengthen/p/10595500.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/861.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/861.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/861.kt) | Medium | | 860 | [柠檬水找零](https://www.cnblogs.com/strengthen/p/10595376.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/860.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/860.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/860.kt) | Easy | | 859 | [亲密字符串](https://www.cnblogs.com/strengthen/p/10588891.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/859.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/859.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/859.kt) | Easy | | 858 | [镜面反射](https://www.cnblogs.com/strengthen/p/10594963.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/858.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/858.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/858.kt) | Medium | | 857 | [雇佣K名工人的最低成本](https://www.cnblogs.com/strengthen/p/10594768.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/857.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/857.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/857.kt) | Hard | | 856 | [括号的分数](https://www.cnblogs.com/strengthen/p/10594301.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/856.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/856.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/856.kt) | Medium | | 855 | [考场就座](https://www.cnblogs.com/strengthen/p/10594220.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/855.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/855.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/855.kt) | Medium | | 854 | [相似度为K的字符串](https://www.cnblogs.com/strengthen/p/10593474.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/854.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/854.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/854.kt) | Hard | | 853 | [车队](https://www.cnblogs.com/strengthen/p/10592755.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/853.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/853.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/853.kt) | Medium | | 852 | [山脉数组的峰顶索引](https://www.cnblogs.com/strengthen/p/10589081.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/852.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/852.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/852.kt) | Easy | | 851 | [喧闹和富有](https://www.cnblogs.com/strengthen/p/10592389.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/851.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/851.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/851.kt) | Medium | | 850 | [矩形面积II](https://www.cnblogs.com/strengthen/p/10593383.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/850.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/850.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/850.kt) | Hard | | 849 | [到最近的人的最大距离](https://www.cnblogs.com/strengthen/p/10591933.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/849.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/849.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/849.kt) | Easy | | 848 | [字母移位](https://www.cnblogs.com/strengthen/p/10591854.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/848.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/848.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/848.kt) | Medium | | 847 | [访问所有节点的最短路径](https://www.cnblogs.com/strengthen/p/10591816.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/847.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/847.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/847.kt) | Hard | | 846 | [一手顺子](https://www.cnblogs.com/strengthen/p/10593021.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/846.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/846.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/846.kt) | Medium | | 845 | [数组中的最长山脉](https://www.cnblogs.com/strengthen/p/10590282.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/845.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/845.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/845.kt) | Medium | | 844 | [比较含退格的字符串](https://www.cnblogs.com/strengthen/p/10588721.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/844.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/844.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/844.kt) | Easy | | 843 | [猜猜这个单词](https://www.cnblogs.com/strengthen/p/10589944.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/843.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/843.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/843.kt) | Hard | | 842 | [将数组拆分成斐波那契序列](https://www.cnblogs.com/strengthen/p/10614994.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/842.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/842.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/842.kt) | Medium | | 841 | [钥匙和房间](https://www.cnblogs.com/strengthen/p/10579789.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/841.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/841.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/841.kt) | Medium | | 840 | [ 矩阵中的幻方](https://www.cnblogs.com/strengthen/p/10579600.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/840.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/840.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/840.kt) | Easy | | 839 | [相似字符串组](https://www.cnblogs.com/strengthen/p/10579363.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/839.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/839.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/839.kt) | Hard | | 838 | [推多米诺](https://www.cnblogs.com/strengthen/p/10577534.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/838.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/838.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/838.kt) | Medium | | 837 | [新21点](https://www.cnblogs.com/strengthen/p/10576171.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/837.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/837.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/837.kt) | Medium | | 836 | [矩形重叠](https://www.cnblogs.com/strengthen/p/10576134.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/836.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/836.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/836.kt) | Easy | | 835 | [图像重叠](https://www.cnblogs.com/strengthen/p/10576125.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/835.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/835.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/835.kt) | Medium | | 834 | [树中距离之和](https://www.cnblogs.com/strengthen/p/10576111.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/834.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/834.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/834.kt) | Hard | | 833 | [字符串中的查找与替换](https://www.cnblogs.com/strengthen/p/10576043.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/833.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/833.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/833.kt) | Medium | | 832 | [翻转图像](https://www.cnblogs.com/strengthen/p/10574789.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/832.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/832.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/832.kt) | Easy | | 831 | [隐藏个人信息](https://www.cnblogs.com/strengthen/p/10616498.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/831.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/831.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/831.kt) | Medium | | 830 | [较大分组的位置](https://www.cnblogs.com/strengthen/p/10570916.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/830.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/830.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/830.kt) | Easy | | 829 | [连续整数求和](https://www.cnblogs.com/strengthen/p/10570866.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/829.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/829.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/829.kt) | Hard | | 828 | [独特字符串](https://www.cnblogs.com/strengthen/p/10570839.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/828.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/828.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/828.kt) | Hard | | 827 | [最大人工岛](https://www.cnblogs.com/strengthen/p/10569639.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/827.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/827.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/827.kt) | Hard | | 826 | [安排工作以达到最大收益](https://www.cnblogs.com/strengthen/p/10569392.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/826.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/826.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/826.kt) | Medium | | 825 | [适龄的朋友](https://www.cnblogs.com/strengthen/p/10569342.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/825.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/825.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/825.kt) | Medium | | 824 | [山羊拉丁文](https://www.cnblogs.com/strengthen/p/10588657.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/824.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/824.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/824.kt) | Easy | | 823 | [带因子的二叉树](https://www.cnblogs.com/strengthen/p/10567314.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/823.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/823.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/823.kt) | Medium | | 822 | [翻转卡片游戏](https://www.cnblogs.com/strengthen/p/10567261.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/822.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/822.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/822.kt) | Medium | | 821 | [字符的最短距离](https://www.cnblogs.com/strengthen/p/10567029.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/821.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/821.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/821.kt) | Easy | | 820 | [单词的压缩编码](https://www.cnblogs.com/strengthen/p/10601421.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/820.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/820.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/820.kt) | Medium | | 819 | [最常见的单词](https://www.cnblogs.com/strengthen/p/10617160.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/819.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/819.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/819.kt) | Easy | | 818 | [赛车](https://www.cnblogs.com/strengthen/p/10565497.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/818.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/818.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/818.kt) | Hard | | 817 | [链表组件](https://www.cnblogs.com/strengthen/p/10565310.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/817.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/817.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/817.kt) | Medium | | 816 | [模糊坐标](https://www.cnblogs.com/strengthen/p/10564493.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/816.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/816.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/816.kt) | Medium | | 815 | [公交路线](https://www.cnblogs.com/strengthen/p/10564150.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/815.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/815.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/815.kt) | Hard | | 814 | [二叉树剪枝](https://www.cnblogs.com/strengthen/p/10564091.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/814.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/814.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/814.kt) | Medium | | 813 | [最大平均值和的分组](https://www.cnblogs.com/strengthen/p/10562722.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/813.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/813.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/813.kt) | Medium | | 812 | [最大三角形面积](https://www.cnblogs.com/strengthen/p/10562694.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/812.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/812.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/812.kt) | Easy | | 811 | [子域名访问计数](https://www.cnblogs.com/strengthen/p/10562647.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/811.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/811.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/811.kt) | Easy | | 810 | [黑板异或游戏](https://www.cnblogs.com/strengthen/p/10550162.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/810.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/810.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/810.kt) | Hard | | 809 | [情感丰富的文字](https://www.cnblogs.com/strengthen/p/10550151.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/809.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/809.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/809.kt) | Medium | | 808 | [分汤](https://www.cnblogs.com/strengthen/p/10550126.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/808.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/808.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/808.kt) | Medium | | 807 | [保持城市天际线](https://www.cnblogs.com/strengthen/p/10550115.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/807.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/807.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/807.kt) | Medium | | 806 | [写字符串需要的行数](https://www.cnblogs.com/strengthen/p/10548894.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/806.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/806.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/806.kt) | Easy | | 805 | [数组的均值分割](https://www.cnblogs.com/strengthen/p/10548845.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/805.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/805.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/805.kt) | Hard | | 804 | [唯一摩尔斯密码词](https://www.cnblogs.com/strengthen/p/10548739.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/804.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/804.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/804.kt) | Easy | | 803 | [打砖块](https://www.cnblogs.com/strengthen/p/10548672.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/803.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/803.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/803.kt) | Hard | | 802 | [找到最终的安全状态](https://www.cnblogs.com/strengthen/p/10548596.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/802.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/802.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/802.kt) | Medium | | 801 | [使序列递增的最小交换次数](https://www.cnblogs.com/strengthen/p/10547598.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/801.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/801.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/801.kt) | Medium | | 800 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/800.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/800.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/800.kt) | Easy | | 799 | [香槟塔](https://www.cnblogs.com/strengthen/p/10547537.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/799.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/799.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/799.kt) | Medium | | 798 | [得分最高的最小轮调](https://www.cnblogs.com/strengthen/p/10547409.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/798.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/798.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/798.kt) | Hard | | 797 | [所有可能的路径](https://www.cnblogs.com/strengthen/p/10547365.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/797.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/797.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/797.kt) | Medium | | 796 | [旋转字符串](https://www.cnblogs.com/strengthen/p/10547242.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/796.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/796.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/796.kt) | Easy | | 795 | [区间子数组个数](https://www.cnblogs.com/strengthen/p/10547191.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/795.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/795.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/795.kt) | Medium | | 794 | [有效的井字游戏](https://www.cnblogs.com/strengthen/p/10547120.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/794.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/794.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/794.kt) | Medium | | 793 | [阶乘函数后K个零](https://www.cnblogs.com/strengthen/p/10547060.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/793.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/793.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/793.kt) | Hard | | 792 | [匹配子序列的单词数](https://www.cnblogs.com/strengthen/p/10547036.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/792.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/792.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/792.kt) | Medium | | 791 | [自定义字符串排序](https://www.cnblogs.com/strengthen/p/10545744.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/791.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/791.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/791.kt) | Medium | | 790 | [多米诺和托米诺平铺](https://www.cnblogs.com/strengthen/p/10545719.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/790.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/790.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/790.kt) | Medium | | 789 | [逃脱阻碍者](https://www.cnblogs.com/strengthen/p/10545692.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/789.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/789.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/789.kt) | Medium | | 788 | [旋转数字](https://www.cnblogs.com/strengthen/p/10545646.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/788.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/788.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/788.kt) | Easy | | 787 | [K站中转内最便宜的航班](https://www.cnblogs.com/strengthen/p/10545382.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/787.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/787.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/787.kt) | Medium | | 786 | [第K个最小的素数分数](https://www.cnblogs.com/strengthen/p/10545344.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/786.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/786.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/786.kt) | Hard | | 785 | [判断二分图](https://www.cnblogs.com/strengthen/p/10545335.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/785.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/785.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/785.kt) | Medium | | 784 | [字母大小写全排列](https://www.cnblogs.com/strengthen/p/10543320.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/784.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/784.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/784.kt) | Easy | | 783 | [二叉搜索树结点最小距离](https://www.cnblogs.com/strengthen/p/10543213.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/783.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/783.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/783.kt) | Easy | | 782 | [变为棋盘](https://www.cnblogs.com/strengthen/p/10543176.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/782.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/782.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/782.kt) | Hard | | 781 | [森林中的兔子](https://www.cnblogs.com/strengthen/p/10543038.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/781.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/781.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/781.kt) | Medium | | 780 | [到达终点](https://www.cnblogs.com/strengthen/p/10542023.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/780.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/780.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/780.kt) | Hard | | 779 | [第K个语法符号](https://www.cnblogs.com/strengthen/p/10541751.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/779.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/779.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/779.kt) | Medium | | 778 | [水位上升的泳池中游泳](https://www.cnblogs.com/strengthen/p/10541732.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/778.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/778.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/778.kt) | Hard | | 777 | [在LR字符串中交换相邻字符](https://www.cnblogs.com/strengthen/p/10541711.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/777.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/777.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/777.kt) | Medium | | 776 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/776.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/776.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/776.kt) | Medium | | 775 | [全局倒置与局部倒置](https://www.cnblogs.com/strengthen/p/10541664.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/775.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/775.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/775.kt) | Medium | | 774 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/774.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/774.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/774.kt) | Hard | | 773 | [滑动谜题](https://www.cnblogs.com/strengthen/p/10540806.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/773.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/773.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/773.kt) | Hard | | 772 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/772.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/772.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/772.kt) | Hard | | 771 | [宝石与石头](https://www.cnblogs.com/strengthen/p/10536345.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/771.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/771.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/771.kt) | Easy | | 770 | [基本计算器IV](https://www.cnblogs.com/strengthen/p/10536324.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/770.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/770.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/770.kt) | Hard | | 769 | [最多能完成排序的块](https://www.cnblogs.com/strengthen/p/10536217.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/769.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/769.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/769.kt) | Medium | | 768 | [最多能完成排序的块II](https://www.cnblogs.com/strengthen/p/10534904.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/768.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/768.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/768.kt) | Hard | | 767 | [重构字符串](https://www.cnblogs.com/strengthen/p/10534876.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/767.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/767.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/767.kt) | Medium | | 766 | [托普利茨矩阵](https://www.cnblogs.com/strengthen/p/10533374.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/766.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/766.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/766.kt) | Easy | | 765 | [情侣牵手](https://www.cnblogs.com/strengthen/p/10533329.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/765.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/765.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/765.kt) | Hard | | 764 | [最大加号标志](https://www.cnblogs.com/strengthen/p/10533262.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/764.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/764.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/764.kt) | Medium | | 763 | [划分字母区间](https://www.cnblogs.com/strengthen/p/10533151.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/763.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/763.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/763.kt) | Medium | | 762 | [二进制表示中质数个计算置位](https://www.cnblogs.com/strengthen/p/10533081.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/762.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/762.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/762.kt) | Easy | | 761 | [特殊的二进制序列](https://www.cnblogs.com/strengthen/p/10532944.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/761.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/761.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/761.kt) | Hard | | 760 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/760.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/760.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/760.kt) | Easy | | 759 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/759.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/759.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/759.kt) | Hard | | 758 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/758.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/758.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/758.kt) | Easy | | 757 | [设置交集大小至少为2](https://www.cnblogs.com/strengthen/p/10532897.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/757.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/757.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/757.kt) | Hard | | 756 | [金字塔转换矩阵](https://www.cnblogs.com/strengthen/p/10532649.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/756.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/756.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/756.kt) | Medium | | 755 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/755.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/755.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/755.kt) | Medium | | 754 | [到达终点数字](https://www.cnblogs.com/strengthen/p/10532569.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/754.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/754.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/754.kt) | Easy | | 753 | [破解保险箱](https://www.cnblogs.com/strengthen/p/10529735.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/753.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/753.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/753.kt) | Hard | | 752 | [打开转盘锁](https://www.cnblogs.com/strengthen/p/10529534.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/752.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/752.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/752.kt) | Medium | | 751 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/751.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/751.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/751.kt) | Easy | | 750 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/750.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/750.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/750.kt) | Medium | | 749 | [隔离病毒](https://www.cnblogs.com/strengthen/p/10526737.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/749.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/749.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/749.kt) | Hard | | 748 | [最短完整词](https://www.cnblogs.com/strengthen/p/10526316.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/748.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/748.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/748.kt) | Easy | | 747 | [至少是其他数字两倍的最大数](https://www.cnblogs.com/strengthen/p/10525612.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/747.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/747.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/747.kt) | Easy | | 746 | [使用最小花费爬楼梯](https://www.cnblogs.com/strengthen/p/10525485.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/746.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/746.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/746.kt) | Easy | | 745 | [前缀和后缀搜索](https://www.cnblogs.com/strengthen/p/10525441.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/745.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/745.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/745.kt) | Hard | | 744 | [寻找比目标字母大的最小字母](https://www.cnblogs.com/strengthen/p/10525089.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/744.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/744.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/744.kt) | Easy | | 743 | [网络延迟时间](https://www.cnblogs.com/strengthen/p/10525029.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/743.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/743.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/743.kt) | Medium | | 742 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/742.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/742.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/742.kt) | Medium | | 741 | [摘樱桃](https://www.cnblogs.com/strengthen/p/10522356.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/741.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/741.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/741.kt) | Hard | | 740 | [删除与获得点数](https://www.cnblogs.com/strengthen/p/10522277.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/740.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/740.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/740.kt) | Medium | | 739 | [每日温度](https://www.cnblogs.com/strengthen/p/10522255.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/739.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/739.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/739.kt) | Medium | | 738 | [单调递增的数字](https://www.cnblogs.com/strengthen/p/10519845.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/738.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/738.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/738.kt) | Medium | | 737 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/737.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/737.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/737.kt) | Medium | | 736 | [Lisp语法解析](https://www.cnblogs.com/strengthen/p/10519773.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/736.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/736.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/736.kt) | Medium | | 735 | [行星碰撞](https://www.cnblogs.com/strengthen/p/10519586.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/735.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/735.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/735.kt) | Medium | | 734 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/734.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/734.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/734.kt) | Easy | | 733 | [图像渲染](https://www.cnblogs.com/strengthen/p/10519427.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/733.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/733.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/733.kt) | Easy | | 732 | [我的日程安排表III](https://www.cnblogs.com/strengthen/p/10620179.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/732.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/732.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/732.kt) | Hard | | 731 | [我的日程安排表II](https://www.cnblogs.com/strengthen/p/10518918.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/731.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/731.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/731.kt) | Medium | | 730 | [统计不同回文子字符串](https://www.cnblogs.com/strengthen/p/10518830.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/730.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/730.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/730.kt) | Hard | | 729 | [我的日程安排表I](https://www.cnblogs.com/strengthen/p/10518737.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/729.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/729.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/729.kt) | Medium | | 728 | [自除数](https://www.cnblogs.com/strengthen/p/10516387.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/728.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/728.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/728.kt) | Easy | | 727 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/727.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/727.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/727.kt) | Hard | | 726 | [原子的数量](https://www.cnblogs.com/strengthen/p/10515957.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/726.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/726.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/726.kt) | Hard | | 725 | [分隔链表](https://www.cnblogs.com/strengthen/p/10514474.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/725.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/725.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/725.kt) | Medium | | 724 | [寻找数组的中心索引](https://www.cnblogs.com/strengthen/p/10514420.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/724.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/724.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/724.kt) | Easy | | 723 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/723.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/723.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/723.kt) | Medium | | 722 | [删除注释](https://www.cnblogs.com/strengthen/p/10514386.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/722.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/722.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/722.kt) | Medium | | 721 | [账户合并](https://www.cnblogs.com/strengthen/p/10513271.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/721.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/721.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/721.kt) | Medium | | 720 | [词典中最长的单词](https://www.cnblogs.com/strengthen/p/10512687.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/720.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/720.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/720.kt) | Easy | | 719 | [找出第k小的距离对](https://www.cnblogs.com/strengthen/p/10512626.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/719.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/719.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/719.kt) | Hard | | 718 | [最长重复子数组](https://www.cnblogs.com/strengthen/p/10509887.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/718.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/718.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/718.kt) | Medium | | 717 | [1比特与2比特字符](https://www.cnblogs.com/strengthen/p/10509872.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/717.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/717.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/717.kt) | Easy | | 716 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/716.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/716.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/716.kt) | Easy | | 715 | [Range模块](https://www.cnblogs.com/strengthen/p/10509845.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/715.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/715.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/715.kt) | Hard | | 714 | [买卖股票的最佳时机含手续费](https://www.cnblogs.com/strengthen/p/10506785.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/714.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/714.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/714.kt) | Medium | | 713 | [乘积小于K的子数组](https://www.cnblogs.com/strengthen/p/10506745.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/713.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/713.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/713.kt) | Medium | | 712 | [两个字符串的最小ASCII删除和](https://www.cnblogs.com/strengthen/p/10506712.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/712.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/712.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/712.kt) | Medium | | 711 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/711.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/711.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/711.kt) | Hard | | 710 | [黑名单中的随机数](https://www.cnblogs.com/strengthen/p/10506644.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/710.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/710.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/710.kt) | Hard | | 709 | [转换成小写字母](https://www.cnblogs.com/strengthen/p/10506475.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/709.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/709.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/709.kt) | Easy | | 708 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/708.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/708.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/708.kt) | Medium | | 707 | [设计链表](https://www.cnblogs.com/strengthen/p/10506371.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/707.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/707.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/707.kt) | Easy | | 706 | [设计哈希映射](https://www.cnblogs.com/strengthen/p/10506126.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/706.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/706.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/706.kt) | Easy | | 705 | [设计哈希集合](https://www.cnblogs.com/strengthen/p/10506027.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/705.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/705.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/705.kt) | Easy | | 704 | [二分查找](https://www.cnblogs.com/strengthen/p/10505849.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/704.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/704.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/704.kt) | Easy | | 703 | [数据流中的第K大元素](https://www.cnblogs.com/strengthen/p/10622690.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/703.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/703.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/703.kt) | Easy | | 702 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/702.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/702.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/702.kt) | Medium | | 701 | [二叉搜索树中的插入操作](https://www.cnblogs.com/strengthen/p/10502896.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/701.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/701.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/701.kt) | Medium | | 700 | [二叉搜索树中的搜索](https://www.cnblogs.com/strengthen/p/10502816.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/700.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/700.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/700.kt) | Easy | | 699 | [掉落的方块](https://www.cnblogs.com/strengthen/p/10502785.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/699.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/699.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/699.kt) | Hard | | 698 | [划分为k个相等的子集](https://www.cnblogs.com/strengthen/p/10502747.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/698.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/698.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/698.kt) | Medium | | 697 | [数组的度](https://www.cnblogs.com/strengthen/p/10502691.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/697.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/697.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/697.kt) | Easy | | 696 | [计数二进制子串](https://www.cnblogs.com/strengthen/p/10502638.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/696.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/696.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/696.kt) | Easy | | 695 | [岛屿的最大面积](https://www.cnblogs.com/strengthen/p/10502593.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/695.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/695.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/695.kt) | Medium | | 694 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/694.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/694.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/694.kt) | Medium | | 693 | [交替位二进制数](https://www.cnblogs.com/strengthen/p/10502442.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/693.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/693.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/693.kt) | Easy | | 692 | [前K个高频单词](https://www.cnblogs.com/strengthen/p/10502182.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/692.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/692.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/692.kt) | Medium | | 691 | [贴纸拼词](https://www.cnblogs.com/strengthen/p/10501868.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/691.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/691.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/691.kt) | Hard | | 690 | [员工的重要性](https://www.cnblogs.com/strengthen/p/10622848.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/690.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/690.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/690.kt) | Easy | | 689 | [三个无重叠子数组的最大和](https://www.cnblogs.com/strengthen/p/10501552.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/689.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/689.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/689.kt) | Hard | | 688 | [“马”在棋盘上的概率](https://www.cnblogs.com/strengthen/p/10500839.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/688.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/688.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/688.kt) | Medium | | 687 | [最长同值路径](https://www.cnblogs.com/strengthen/p/10500771.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/687.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/687.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/687.kt) | Easy | | 686 | [重复叠加字符串匹配](https://www.cnblogs.com/strengthen/p/10500613.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/686.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/686.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/686.kt) | Easy | | 685 | [冗余连接II](https://www.cnblogs.com/strengthen/p/10500533.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/685.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/685.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/685.kt) | Hard | | 684 | [冗余连接](https://www.cnblogs.com/strengthen/p/10500242.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/684.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/684.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/684.kt) | Medium | | 683 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/683.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/683.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/683.kt) | Hard | | 682 | [棒球比赛](https://www.cnblogs.com/strengthen/p/10499508.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/682.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/682.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/682.kt) | Easy | | 681 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/681.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/681.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/681.kt) | Medium | | 680 | [验证回文字符串Ⅱ](https://www.cnblogs.com/strengthen/p/10498380.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/680.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/680.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/680.kt) | Easy | | 679 | [24点游戏](https://www.cnblogs.com/strengthen/p/10498335.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/679.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/679.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/679.kt) | Medium | | 678 | [有效的括号字符串](https://www.cnblogs.com/strengthen/p/10498224.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/678.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/678.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/678.kt) | Medium | | 677 | [键值映射](https://www.cnblogs.com/strengthen/p/10498122.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/677.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/677.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/677.kt) | Medium | | 676 | [实现一个魔法字典](https://www.cnblogs.com/strengthen/p/10498012.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/676.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/676.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/676.kt) | Medium | | 675 | [为高尔夫比赛砍树](https://www.cnblogs.com/strengthen/p/10497918.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/675.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/675.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/675.kt) | Hard | | 674 | [最长连续递增序列](https://www.cnblogs.com/strengthen/p/10497242.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/674.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/674.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/674.kt) | Easy | | 673 | [最长递增子序列的个数](https://www.cnblogs.com/strengthen/p/10497048.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/673.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/673.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/673.kt) | Medium | | 672 | [灯泡开关Ⅱ](https://www.cnblogs.com/strengthen/p/10496919.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/672.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/672.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/672.kt) | Medium | | 671 | [二叉树中第二小的节点](https://www.cnblogs.com/strengthen/p/10496847.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/671.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/671.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/671.kt) | Easy | | 670 | [最大交换](https://www.cnblogs.com/strengthen/p/10492653.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/670.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/670.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/670.kt) | Medium | | 669 | [修剪二叉搜索树](https://www.cnblogs.com/strengthen/p/10492482.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/669.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/669.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/669.kt) | Easy | | 668 | [乘法表中第k小的数](https://www.cnblogs.com/strengthen/p/10492422.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/668.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/668.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/668.kt) | Hard | | 667 | [优美的排列II](https://www.cnblogs.com/strengthen/p/10492365.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/667.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/667.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/667.kt) | Medium | | 666 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/666.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/666.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/666.kt) | Medium | | 665 | [非递减数列](https://www.cnblogs.com/strengthen/p/10492254.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/665.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/665.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/665.kt) | Medium | | 664 | [奇怪的打印机](https://www.cnblogs.com/strengthen/p/10492196.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/664.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/664.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/664.kt) | Medium | | 663 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/663.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/663.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/663.kt) | Medium | | 662 | [二叉树最大宽度](https://www.cnblogs.com/strengthen/p/10492131.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/662.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/662.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/662.kt) | Medium | | 661 | [图片平滑器](https://www.cnblogs.com/strengthen/p/10488878.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/661.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/661.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/661.kt) | Easy | | 660 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/660.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/660.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/660.kt) | Hard | | 659 | [分割数组为连续子序列](https://www.cnblogs.com/strengthen/p/10488832.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/659.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/659.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/659.kt) | Medium | | 658 | [找到K个最接近的元素](https://www.cnblogs.com/strengthen/p/10485967.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/658.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/658.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/658.kt) | Medium | | 657 | [机器人能否返回原点](https://www.cnblogs.com/strengthen/p/10485839.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/657.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/657.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/657.kt) | Easy | | 656 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/656.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/656.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/656.kt) | Hard | | 655 | [输出二叉树](https://www.cnblogs.com/strengthen/p/10485773.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/655.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/655.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/655.kt) | Medium | | 654 | [最大二叉树](https://www.cnblogs.com/strengthen/p/10485675.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/654.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/654.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/654.kt) | Medium | | 653 | [两数之和IV](https://www.cnblogs.com/strengthen/p/10485576.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/653.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/653.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/653.kt) | Easy | | 652 | [寻找重复的子树](https://www.cnblogs.com/strengthen/p/10485517.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/652.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/652.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/652.kt) | Medium | | 651 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/651.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/651.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/651.kt) | Medium | | 650 | [只有两个键的键盘](https://www.cnblogs.com/strengthen/p/10485462.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/650.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/650.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/650.kt) | Medium | | 649 | [Dota2参议院](https://www.cnblogs.com/strengthen/p/10485423.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/649.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/649.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/649.kt) | Medium | | 648 | [单词替换](https://www.cnblogs.com/strengthen/p/10485210.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/648.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/648.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/648.kt) | Medium | | 647 | [回文子串](https://www.cnblogs.com/strengthen/p/10482491.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/647.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/647.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/647.kt) | Medium | | 646 | [最长数对链](https://www.cnblogs.com/strengthen/p/10482458.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/646.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/646.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/646.kt) | Medium | | 645 | [错误的集合](https://www.cnblogs.com/strengthen/p/10479962.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/645.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/645.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/645.kt) | Easy | | 644 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/644.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/644.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/644.kt) | Hard | | 643 | [子数组最大平均数I](https://www.cnblogs.com/strengthen/p/10479879.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/643.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/643.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/643.kt) | Easy | | 642 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/642.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/642.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/642.kt) | Hard | | 641 | [设计循环双端队列](https://www.cnblogs.com/strengthen/p/10479758.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/641.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/641.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/641.kt) | Medium | | 640 | [求解方程](https://www.cnblogs.com/strengthen/p/10479684.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/640.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/640.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/640.kt) | Medium | | 639 | [解码方法2](https://www.cnblogs.com/strengthen/p/10479517.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/639.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/639.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/639.kt) | Hard | | 638 | [大礼包](https://www.cnblogs.com/strengthen/p/10479319.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/638.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/638.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/638.kt) | Medium | | 637 | [二叉树的层平均值](https://www.cnblogs.com/strengthen/p/10479171.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/637.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/637.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/637.kt) | Easy | | 636 | [函数的独占时间](https://www.cnblogs.com/strengthen/p/10479079.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/636.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/636.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/636.kt) | Medium | | 635 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/635.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/635.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/635.kt) | Medium | | 634 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/634.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/634.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/634.kt) | Medium | | 633 | [平方数之和](https://www.cnblogs.com/strengthen/p/10475892.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/633.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/633.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/633.kt) | Easy | | 632 | [最小区间](https://www.cnblogs.com/strengthen/p/10478921.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/632.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/632.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/632.kt) | Hard | | 631 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/631.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/631.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/631.kt) | Hard | | 630 | [课程表III](https://www.cnblogs.com/strengthen/p/10473321.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/630.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/630.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/630.kt) | Hard | | 629 | [K个逆序对数组](https://www.cnblogs.com/strengthen/p/10473028.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/629.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/629.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/629.kt) | Hard | | 628 | [三个数的最大乘积](https://www.cnblogs.com/strengthen/p/10472942.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/628.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/628.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/628.kt) | Easy | | 627 | [交换工资](https://www.cnblogs.com/strengthen/p/10472837.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/627.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/627.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/627.kt) | Easy | | 626 | [换座位](https://www.cnblogs.com/strengthen/p/10472774.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/626.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/626.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/626.kt) | Medium | | 625 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/625.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/625.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/625.kt) | Medium | | 624 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/624.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/624.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/624.kt) | Easy | | 623 | [在二叉树中增加一行](https://www.cnblogs.com/strengthen/p/10472716.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/623.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/623.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/623.kt) | Medium | | 622 | [设计循环队列](https://www.cnblogs.com/strengthen/p/10472658.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/622.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/622.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/622.kt) | Medium | | 621 | [任务调度器](https://www.cnblogs.com/strengthen/p/10470897.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/621.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/621.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/621.kt) | Medium | | 620 | [有趣的电影](https://www.cnblogs.com/strengthen/p/10470234.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/620.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/620.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/620.kt) | Easy | | 619 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/619.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/619.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/619.kt) | Easy | | 618 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/618.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/618.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/618.kt) | Hard | | 617 | [合并二叉树](https://www.cnblogs.com/strengthen/p/10470025.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/617.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/617.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/617.kt) | Easy | | 616 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/616.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/616.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/616.kt) | Medium | | 615 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/615.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/615.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/615.kt) | Hard | | 614 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/614.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/614.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/614.kt) | Medium | | 613 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/613.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/613.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/613.kt) | Easy | | 612 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/612.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/612.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/612.kt) | Medium | | 611 | [有效三角形的个数](https://www.cnblogs.com/strengthen/p/10470002.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/611.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/611.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/611.kt) | Medium | | 610 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/610.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/610.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/610.kt) | Easy | | 609 | [在系统中查找重复文件](https://www.cnblogs.com/strengthen/p/10467726.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/609.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/609.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/609.kt) | Medium | | 608 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/608.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/608.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/608.kt) | Medium | | 607 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/607.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/607.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/607.kt) | Easy | | 606 | [根据二叉树创建字符串](https://www.cnblogs.com/strengthen/p/10455628.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/606.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/606.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/606.kt) | Easy | | 605 | [种花问题](https://www.cnblogs.com/strengthen/p/10455207.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/605.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/605.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/605.kt) | Easy | | 604 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/604.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/604.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/604.kt) | Easy | | 603 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/603.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/603.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/603.kt) | Easy | | 602 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/602.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/602.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/602.kt) | Medium | | 601 | [体育馆的人流量](https://www.cnblogs.com/strengthen/p/10451553.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/601.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/601.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/601.kt) | Hard | | 600 | [不含连续1的非负整数](https://www.cnblogs.com/strengthen/p/10451440.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/600.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/600.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/600.kt) | Hard | | 599 | [两个列表的最小索引总和](https://www.cnblogs.com/strengthen/p/10450571.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/599.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/599.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/599.kt) | Easy | | 598 | [范围求和II](https://www.cnblogs.com/strengthen/p/10450437.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/598.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/598.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/598.kt) | Easy | | 597 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/597.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/597.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/597.kt) | Easy | | 596 | [超过5名学生的课](https://www.cnblogs.com/strengthen/p/10450346.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/596.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/596.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/596.kt) | Easy | | 595 | [大的国家](https://www.cnblogs.com/strengthen/p/10450247.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/595.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/595.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/595.kt) | Easy | | 594 | [最长和谐子序列](https://www.cnblogs.com/strengthen/p/9852833.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/594.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/594.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/594.kt) | Easy | | 593 | [有效的正方形](https://www.cnblogs.com/strengthen/p/10450189.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/593.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/593.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/593.kt) | Medium | | 592 | [分数加减运算](https://www.cnblogs.com/strengthen/p/10450070.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/592.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/592.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/592.kt) | Medium | | 591 | [标签验证器](https://www.cnblogs.com/strengthen/p/10449603.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/591.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/591.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/591.kt) | Hard | | 590 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/590.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/590.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/590.kt) | Easy | | 589 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/589.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/589.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/589.kt) | Easy | | 588 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/588.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/588.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/588.kt) | Hard | | 587 | [安装栅栏](https://www.cnblogs.com/strengthen/p/10440054.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/587.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/587.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/587.kt) | Hard | | 586 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/586.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/586.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/586.kt) | Easy | | 585 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/585.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/585.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/585.kt) | Medium | | 584 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/584.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/584.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/584.kt) | Easy | | 583 | [两个字符串的删除操作](https://www.cnblogs.com/strengthen/p/10420808.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/583.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/583.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/583.kt) | Medium | | 582 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/582.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/582.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/582.kt) | Medium | | 581 | [最短无序连续子数组](https://www.cnblogs.com/strengthen/p/9852491.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/581.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/581.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/581.kt) | Easy | | 580 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/580.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/580.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/580.kt) | Medium | | 579 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/579.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/579.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/579.kt) | Hard | | 578 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/578.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/578.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/578.kt) | Medium | | 577 | [员工奖金](https://www.cnblogs.com/strengthen/p/9852361.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/577.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/577.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/577.kt) | Easy | | 576 | [出界的路径数](https://www.cnblogs.com/strengthen/p/10420741.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/576.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/576.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/576.kt) | Medium | | 575 | [分糖果](https://www.cnblogs.com/strengthen/p/9852286.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/575.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/575.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/575.kt) | Easy | | 574 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/574.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/574.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/574.kt) | Medium | | 573 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/573.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/573.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/573.kt) | Medium | | 572 | [另一个树的子树](https://www.cnblogs.com/strengthen/p/9852026.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/572.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/572.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/572.kt) | Easy | | 571 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/571.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/571.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/571.kt) | Hard | | 570 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/570.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/570.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/570.kt) | Medium | | 569 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/569.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/569.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/569.kt) | Hard | | 568 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/568.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/568.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/568.kt) | Hard | | 567 | [字符串的排列](https://www.cnblogs.com/strengthen/p/10420668.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/567.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/567.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/567.kt) | Medium | | 566 | [重塑矩阵](https://www.cnblogs.com/strengthen/p/9843320.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/566.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/566.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/566.kt) | Easy | | 565 | [数组嵌套](https://www.cnblogs.com/strengthen/p/10420496.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/565.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/565.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/565.kt) | Medium | | 564 | [寻找最近的回文数](https://www.cnblogs.com/strengthen/p/10420417.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/564.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/564.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/564.kt) | Hard | | 563 | [二叉树的坡度](https://www.cnblogs.com/strengthen/p/9842592.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/563.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/563.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/563.kt) | Easy | | 562 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/562.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/562.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/562.kt) | Medium | | 561 | [数组拆分I](https://www.cnblogs.com/strengthen/p/9842430.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/561.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/561.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/561.kt) | Easy | | 560 | [和为K的子数组](https://www.cnblogs.com/strengthen/p/10420094.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/560.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/560.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/560.kt) | Medium | | 559 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/559.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/559.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/559.kt) | Easy | | 558 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/558.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/558.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/558.kt) | Easy | | 557 | [反转字符串中的单词III](https://www.cnblogs.com/strengthen/p/9842268.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/557.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/557.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/557.kt) | Easy | | 556 | [下一个更大元素III](https://www.cnblogs.com/strengthen/p/10415232.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/556.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/556.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/556.kt) | Medium | | 555 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/555.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/555.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/555.kt) | Medium | | 554 | [砖墙](https://www.cnblogs.com/strengthen/p/10415020.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/554.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/554.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/554.kt) | Medium | | 553 | [最优除法](https://www.cnblogs.com/strengthen/p/10414956.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/553.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/553.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/553.kt) | Medium | | 552 | [学生出勤记录II](https://www.cnblogs.com/strengthen/p/10414568.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/552.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/552.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/552.kt) | Hard | | 551 | [学生出勤纪录I](https://www.cnblogs.com/strengthen/p/9841699.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/551.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/551.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/551.kt) | Easy | | 550 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/550.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/550.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/550.kt) | Medium | | 549 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/549.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/549.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/549.kt) | Medium | | 548 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/548.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/548.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/548.kt) | Medium | | 547 | [朋友圈](https://www.cnblogs.com/strengthen/p/10414531.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/547.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/547.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/547.kt) | Medium | | 546 | [移除盒子](https://www.cnblogs.com/strengthen/p/10409173.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/546.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/546.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/546.kt) | Hard | | 545 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/545.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/545.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/545.kt) | Medium | | 544 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/544.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/544.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/544.kt) | Medium | | 543 | [二叉树的直径](https://www.cnblogs.com/strengthen/p/9839457.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/543.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/543.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/543.kt) | Easy | | 542 | [01矩阵](https://www.cnblogs.com/strengthen/p/10409073.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/542.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/542.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/542.kt) | Medium | | 541 | [反转字符串II](https://www.cnblogs.com/strengthen/p/9839292.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/541.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/541.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/541.kt) | Easy | | 540 | [有序数组中的单一元素](https://www.cnblogs.com/strengthen/p/10409012.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/540.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/540.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/540.kt) | Medium | | 539 | [最小时间差](https://www.cnblogs.com/strengthen/p/10408567.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/539.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/539.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/539.kt) | Medium | | 538 | [把二叉搜索树转换为累加树](https://www.cnblogs.com/strengthen/p/9817299.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/538.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/538.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/538.kt) | Easy | | 537 | [复数乘法](https://www.cnblogs.com/strengthen/p/10408940.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/537.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/537.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/537.kt) | Medium | | 536 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/536.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/536.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/536.kt) | Medium | | 535 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/535.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/535.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/535.kt) | Medium | | 534 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/534.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/534.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/534.kt) | Medium | | 533 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/533.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/533.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/533.kt) | Medium | | 532 | [数组中的K](https://www.cnblogs.com/strengthen/p/9813030.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/532.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/532.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/532.kt) | Easy | | 531 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/531.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/531.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/531.kt) | Medium | | 530 | [二叉搜索树的最小绝对差](https://www.cnblogs.com/strengthen/p/9812802.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/530.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/530.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/530.kt) | Easy | | 529 | [扫雷游戏](https://www.cnblogs.com/strengthen/p/10408473.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/529.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/529.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/529.kt) | Medium | | 528 | [按权重随机选择](https://www.cnblogs.com/strengthen/p/10403265.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/528.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/528.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/528.kt) | Medium | | 527 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/527.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/527.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/527.kt) | Hard | | 526 | [优美的排列](https://www.cnblogs.com/strengthen/p/10403153.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/526.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/526.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/526.kt) | Medium | | 525 | [连续数组](https://www.cnblogs.com/strengthen/p/10403066.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/525.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/525.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/525.kt) | Medium | | 524 | [通过删除字母匹配到字典里最长单词](https://www.cnblogs.com/strengthen/p/10403021.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/524.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/524.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/524.kt) | Medium | | 523 | [连续的子数组和](https://www.cnblogs.com/strengthen/p/10397532.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/523.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/523.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/523.kt) | Medium | | 522 | [最长特殊序列II](https://www.cnblogs.com/strengthen/p/10397495.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/522.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/522.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/522.kt) | Medium | | 521 | [最长特殊序列Ⅰ](https://www.cnblogs.com/strengthen/p/9812689.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/521.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/521.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/521.kt) | Easy | | 520 | [检测大写字母](https://www.cnblogs.com/strengthen/p/9810856.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/520.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/520.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/520.kt) | Easy | | 519 | [随机翻转矩阵](https://www.cnblogs.com/strengthen/p/10397430.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/519.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/519.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/519.kt) | Medium | | 518 | [零钱兑换II](https://www.cnblogs.com/strengthen/p/10397402.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/518.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/518.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/518.kt) | Medium | | 517 | [超级洗衣机](https://www.cnblogs.com/strengthen/p/10397331.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/517.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/517.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/517.kt) | Hard | | 516 | [最长回文子序列](https://www.cnblogs.com/strengthen/p/10397302.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/516.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/516.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/516.kt) | Medium | | 515 | [在每个树行中找最大值](https://www.cnblogs.com/strengthen/p/10397209.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/515.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/515.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/515.kt) | Medium | | 514 | [自由之路](https://www.cnblogs.com/strengthen/p/10392606.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/514.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/514.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/514.kt) | Hard | | 513 | [找树左下角的值](https://www.cnblogs.com/strengthen/p/10392509.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/513.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/513.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/513.kt) | Medium | | 512 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/512.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/512.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/512.kt) | Medium | | 511 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/511.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/511.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/511.kt) | Medium | | 510 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/510.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/510.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/510.kt) | Medium | | 509 | [斐波那契数](https://www.cnblogs.com/strengthen/p/10392466.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/509.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/509.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/509.kt) | Easy | | 508 | [出现次数最多的子树元素和](https://www.cnblogs.com/strengthen/p/10392404.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/508.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/508.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/508.kt) | Medium | | 507 | [完美数](https://www.cnblogs.com/strengthen/p/9810573.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/507.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/507.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/507.kt) | Easy | | 506 | [相对名次](https://www.cnblogs.com/strengthen/p/9810383.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/506.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/506.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/506.kt) | Easy | | 505 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/505.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/505.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/505.kt) | Medium | | 504 | [七进制数](https://www.cnblogs.com/strengthen/p/9809768.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/504.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/504.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/504.kt) | Easy | | 503 | [下一个更大元素II](https://www.cnblogs.com/strengthen/p/10392342.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/503.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/503.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/503.kt) | Medium | | 502 | [IPO(首次公开募股)](https://www.cnblogs.com/strengthen/p/10392224.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/502.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/502.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/502.kt) | Hard | | 501 | [二叉搜索树中的众数](https://www.cnblogs.com/strengthen/p/9807156.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/501.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/501.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/501.kt) | Easy | | 500 | [键盘行](https://www.cnblogs.com/strengthen/p/9806211.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/500.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/500.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/500.kt) | Easy | | 499 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/499.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/499.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/499.kt) | Hard | | 498 | [对角线遍历](https://www.cnblogs.com/strengthen/p/10391890.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/498.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/498.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/498.kt) | Medium | | 497 | [非重叠矩形中的随机点](https://www.cnblogs.com/strengthen/p/10391824.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/497.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/497.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/497.kt) | Medium | | 496 | [下一个更大元素I](https://www.cnblogs.com/strengthen/p/9805282.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/496.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/496.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/496.kt) | Easy | | 495 | [提莫攻击](https://www.cnblogs.com/strengthen/p/10370594.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/495.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/495.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/495.kt) | Medium | | 494 | [目标和](https://www.cnblogs.com/strengthen/p/10348807.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/494.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/494.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/494.kt) | Medium | | 493 | [翻转对](https://www.cnblogs.com/strengthen/p/10348715.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/493.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/493.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/493.kt) | Hard | | 492 | [构造矩形](https://www.cnblogs.com/strengthen/p/9804151.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/492.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/492.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/492.kt) | Easy | | 491 | [递增子序列](https://www.cnblogs.com/strengthen/p/10348625.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/491.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/491.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/491.kt) | Medium | | 490 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/490.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/490.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/490.kt) | Medium | | 489 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/489.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/489.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/489.kt) | Hard | | 488 | [祖玛游戏](https://www.cnblogs.com/strengthen/p/10348594.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/488.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/488.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/488.kt) | Hard | | 487 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/487.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/487.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/487.kt) | Medium | | 486 | [预测赢家](https://www.cnblogs.com/strengthen/p/10348512.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/486.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/486.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/486.kt) | Medium | | 485 | [最大连续1的个数](https://www.cnblogs.com/strengthen/p/10465918.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/485.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/485.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/485.kt) | Easy | | 484 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/484.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/484.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/484.kt) | Medium | | 483 | [最小好进制](https://www.cnblogs.com/strengthen/p/10348502.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/483.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/483.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/483.kt) | Hard | | 482 | [密钥格式化](https://www.cnblogs.com/strengthen/p/9799232.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/482.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/482.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/482.kt) | Easy | | 481 | [神奇字符串](https://www.cnblogs.com/strengthen/p/10348462.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/481.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/481.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/481.kt) | Medium | | 480 | [滑动窗口中位数](https://www.cnblogs.com/strengthen/p/10805204.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/480.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/480.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/480.kt) | Hard | | 479 | [最大回文数乘积](https://www.cnblogs.com/strengthen/p/9797766.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/479.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/479.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/479.kt) | Hard | | 478 | [在圆内随机生成点](https://www.cnblogs.com/strengthen/p/10348304.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/478.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/478.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/478.kt) | Medium | | 477 | [汉明距离总和](https://www.cnblogs.com/strengthen/p/10348281.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/477.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/477.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/477.kt) | Medium | | 476 | [数字的补数](https://www.cnblogs.com/strengthen/p/10347716.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/476.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/476.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/476.kt) | Easy | | 475 | [供暖器](https://www.cnblogs.com/strengthen/p/9796232.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/475.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/475.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/475.kt) | Easy | | 474 | [一和零](https://www.cnblogs.com/strengthen/p/10347688.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/474.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/474.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/474.kt) | Medium | | 473 | [火柴拼正方形](https://www.cnblogs.com/strengthen/p/10347635.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/473.cpp) | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/469.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/469.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/469.kt) | Medium | | 468 | [验证IP地址](https://www.cnblogs.com/strengthen/p/10346244.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/468.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/468.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/468.kt) | Medium | | 467 | [环绕字符串中唯一的子字符串](https://www.cnblogs.com/strengthen/p/10346097.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/467.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/467.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/467.kt) | Medium | | 466 | [统计重复个数](https://www.cnblogs.com/strengthen/p/10346034.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/466.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/466.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/466.kt) | Hard | | 465 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/465.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/465.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/465.kt) | Hard | | 464 | [我能赢吗](https://www.cnblogs.com/strengthen/p/10345832.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/464.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/464.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/464.kt) | Medium | | 463 | [岛屿的周长](https://www.cnblogs.com/strengthen/p/10345792.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/463.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/463.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/463.kt) | Easy | | 462 | [最少移动次数使数组元素相等II](https://www.cnblogs.com/strengthen/p/9792341.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/462.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/462.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/462.kt) | Medium | | 461 | [汉明距离](https://www.cnblogs.com/strengthen/p/10343541.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/461.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/461.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/461.kt) | Easy | | 460 | [LFU缓存](https://www.cnblogs.com/strengthen/p/10816306.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/460.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/460.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/460.kt) | Hard | | 459 | [重复的子字符串](https://www.cnblogs.com/strengthen/p/10343514.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/459.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/459.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/459.kt) | Easy | | 458 | [可怜的小猪](https://www.cnblogs.com/strengthen/p/9791579.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/458.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/458.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/458.kt) | Hard | | 457 | [环形数组循环](https://www.cnblogs.com/strengthen/p/10343272.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/457.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/457.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/457.kt) | Medium | | 456 | [132模式](https://www.cnblogs.com/strengthen/p/10343200.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/456.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/456.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/456.kt) | Medium | | 455 | [分发饼干](https://www.cnblogs.com/strengthen/p/9791084.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/455.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/455.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/455.kt) | Easy | | 454 | [四数相加II](https://www.cnblogs.com/strengthen/p/10343175.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/454.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/454.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/454.kt) | Medium | | 453 | [最小移动次数使数组元素相等](https://www.cnblogs.com/strengthen/p/9790914.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/453.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/453.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/453.kt) | Easy | | 452 | [用最少数量的箭引爆气球](https://www.cnblogs.com/strengthen/p/10342073.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/452.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/452.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/452.kt) | Medium | | 451 | [根据字符出现频率排序](https://www.cnblogs.com/strengthen/p/10341915.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/451.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/451.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/451.kt) | Medium | | 450 | [删除二叉搜索树中的节点](https://www.cnblogs.com/strengthen/p/10341750.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/450.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/450.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/450.kt) | Medium | | 449 | []] | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/449.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/449.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/449.kt) | Medium | | 448 | [找到所有数组中消失的数字](https://www.cnblogs.com/strengthen/p/9790831.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/448.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/448.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/448.kt) | Easy | | 447 | [回旋镖的数量](https://www.cnblogs.com/strengthen/p/10340640.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/447.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/447.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/447.kt) | Easy | | 446 | [等差数列划分II](https://www.cnblogs.com/strengthen/p/10339587.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/446.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/446.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/446.kt) | Hard | | 445 | [两数相加II](https://www.cnblogs.com/strengthen/p/10339558.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/445.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/445.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/445.kt) | Medium | | 444 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/444.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/444.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/444.kt) | Medium | | 443 | [压缩字符串](https://www.cnblogs.com/strengthen/p/9789515.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/443.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/443.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/443.kt) | Easy | | 442 | [数组中重复的数据](https://www.cnblogs.com/strengthen/p/10339500.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/442.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/442.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/442.kt) | Medium | | 441 | [排列硬币](https://www.cnblogs.com/strengthen/p/10339427.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/441.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/441.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/441.kt) | Easy | | 440 | [字典序的第K小数字](https://www.cnblogs.com/strengthen/p/10339102.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/440.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/440.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/440.kt) | Hard | | 439 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/439.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/439.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/439.kt) | Medium | | 438 | [找到字符串中所有字母异位词](https://www.cnblogs.com/strengthen/p/10334797.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/438.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/438.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/438.kt) | Easy | | 437 | [路径总和III](https://www.cnblogs.com/strengthen/p/9783465.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/437.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/437.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/437.kt) | Easy | | 436 | [寻找右区间](https://www.cnblogs.com/strengthen/p/10334621.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/436.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/436.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/436.kt) | Medium | | 435 | [无重叠区间](https://www.cnblogs.com/strengthen/p/10334487.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/435.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/435.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/435.kt) | Medium | | 434 | [字符串中的单词数](https://www.cnblogs.com/strengthen/p/9783619.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/434.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/434.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/434.kt) | Easy | | 433 | [最小基因变化](https://www.cnblogs.com/strengthen/p/10334346.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/433.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/433.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/433.kt) | Medium | | 432 | [全O(1)的数据结构](https://www.cnblogs.com/strengthen/p/10801901.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/432.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/432.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/432.kt) | Hard | | 431 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/431.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/431.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/431.kt) | Hard | | 430 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/430.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/430.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/430.kt) | Medium | | 429 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/429.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/429.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/429.kt) | Easy | | 428 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/428.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/428.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/428.kt) | Hard | | 427 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/427.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/427.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/427.kt) | Easy | | 426 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/426.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/426.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/426.kt) | Medium | | 425 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/425.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/425.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/425.kt) | Hard | | 424 | [替换后的最长重复字符](https://www.cnblogs.com/strengthen/p/10334069.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/424.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/424.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/424.kt) | Medium | | 423 | [从英文中重建数字](https://www.cnblogs.com/strengthen/p/10333942.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/423.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/423.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/423.kt) | Medium | | 422 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/422.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/422.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/422.kt) | Easy | | 421 | [数组中两个数的最大异或值](https://www.cnblogs.com/strengthen/p/10333729.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/421.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/421.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/421.kt) | Medium | | 420 | [强密码检验器](https://www.cnblogs.com/strengthen/p/10333268.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/420.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/420.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/420.kt) | Hard | | 419 | [甲板上的战舰](https://www.cnblogs.com/strengthen/p/10333099.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/419.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/419.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/419.kt) | Medium | | 418 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/418.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/418.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/418.kt) | Medium | | 417 | [太平洋大西洋水流问题](https://www.cnblogs.com/strengthen/p/10332885.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/417.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/417.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/417.kt) | Medium | | 416 | [分割等和子集](https://www.cnblogs.com/strengthen/p/10331729.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/416.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/416.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/416.kt) | Medium | | 415 | [字符串相加](https://www.cnblogs.com/strengthen/p/9783317.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/415.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/415.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/415.kt) | Easy | | 414 | [第三大的数](https://www.cnblogs.com/strengthen/p/9783127.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/414.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/414.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/414.kt) | Easy | | 413 | [等差数列划分](https://www.cnblogs.com/strengthen/p/10330630.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/413.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/413.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/413.kt) | Medium | | 412 | [ FizzBuzz](https://www.cnblogs.com/strengthen/p/9782998.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/412.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/412.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/412.kt) | Easy | | 411 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/411.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/411.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/411.kt) | Hard | | 410 | [分割数组的最大值](https://www.cnblogs.com/strengthen/p/10330269.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/410.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/410.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/410.kt) | Hard | | 409 | [最长回文串](https://www.cnblogs.com/strengthen/p/9782912.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/409.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/409.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/409.kt) | Easy | | 408 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/408.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/408.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/408.kt) | Easy | | 407 | [接雨水II](https://www.cnblogs.com/strengthen/p/10329251.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/407.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/407.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/407.kt) | Hard | | 406 | [根据身高重建队列](https://www.cnblogs.com/strengthen/p/10311344.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/406.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/406.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/406.kt) | Medium | | 405 | [数字转换为十六进制数](https://www.cnblogs.com/strengthen/p/9782532.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/405.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/405.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/405.kt) | Easy | | 404 | [左叶子之和](https://www.cnblogs.com/strengthen/p/9782487.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/404.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/404.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/404.kt) | Easy | | 403 | [青蛙过河](https://www.cnblogs.com/strengthen/p/10311244.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/403.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/403.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/403.kt) | Hard | | 402 | [移掉K位数字](https://www.cnblogs.com/strengthen/p/10310895.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/402.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/402.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/402.kt) | Medium | | 401 | [二进制手表](https://www.cnblogs.com/strengthen/p/9779604.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/401.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/401.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/401.kt) | Easy | | 400 | [第N个数字](https://www.cnblogs.com/strengthen/p/9779008.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/400.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/400.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/400.kt) | Easy | | 399 | [除法求值](https://www.cnblogs.com/strengthen/p/10309042.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/399.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/399.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/399.kt) | Medium | | 398 | [随机数索引](https://www.cnblogs.com/strengthen/p/10306011.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/398.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/398.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/398.kt) | Medium | | 397 | [整数替换](https://www.cnblogs.com/strengthen/p/10305720.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/397.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/397.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/397.kt) | Medium | | 396 | [旋转函数](https://www.cnblogs.com/strengthen/p/10305657.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/396.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/396.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/396.kt) | Medium | | 395 | [至少有K个重复字符的最长子串](https://www.cnblogs.com/strengthen/p/10303512.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/395.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/395.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/395.kt) | Medium | | 394 | [字符串解码](https://www.cnblogs.com/strengthen/p/10300572.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/394.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/394.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/394.kt) | Medium | | 393 | [UTF](https://www.cnblogs.com/strengthen/p/10299741.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/393.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/393.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/393.kt) | Medium | | 392 | [判断子序列](https://www.cnblogs.com/strengthen/p/10299618.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/392.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/392.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/392.kt) | Medium | | 391 | [完美矩形](https://www.cnblogs.com/strengthen/p/10299478.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/391.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/391.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/391.kt) | Hard | | 390 | [消除游戏](https://www.cnblogs.com/strengthen/p/10298994.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/390.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/390.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/390.kt) | Medium | | 389 | [找不同](https://www.cnblogs.com/strengthen/p/9778723.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/389.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/389.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/389.kt) | Easy | | 388 | [ 文件的最长绝对路径](https://www.cnblogs.com/strengthen/p/9778434.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/388.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/388.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/388.kt) | Medium | | 387 | [字符串中的第一个唯一字符](https://www.cnblogs.com/strengthen/p/9776962.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/387.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/387.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/387.kt) | Easy | | 386 | [字典序排数](https://www.cnblogs.com/strengthen/p/10283535.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/386.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/386.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/386.kt) | Medium | | 385 | [迷你语法分析器](https://www.cnblogs.com/strengthen/p/10283451.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/385.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/385.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/385.kt) | Medium | | 384 | [打乱数组](https://www.cnblogs.com/strengthen/p/10283261.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/384.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/384.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/384.kt) | Medium | | 383 | [赎金信](https://www.cnblogs.com/strengthen/p/9775114.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/383.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/383.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/383.kt) | Easy | | 382 | [链表随机节点](https://www.cnblogs.com/strengthen/p/10282841.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/382.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/382.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/382.kt) | Medium | | 381 | [O(1)时间插入、删除和获取随机元素](https://www.cnblogs.com/strengthen/p/10282676.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/381.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/381.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/381.kt) | Hard | | 380 | [常数时间插入、删除和获取随机元素](https://www.cnblogs.com/strengthen/p/10281055.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/380.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/380.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/380.kt) | Medium | | 379 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/379.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/379.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/379.kt) | Medium | | 378 | [有序矩阵中第K小的元素](https://www.cnblogs.com/strengthen/p/10280475.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/378.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/378.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/378.kt) | Medium | | 377 | [组合总和Ⅳ](https://www.cnblogs.com/strengthen/p/10278399.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/377.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/377.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/377.kt) | Medium | | 376 | [摆动序列](https://www.cnblogs.com/strengthen/p/10278265.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/376.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/376.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/376.kt) | Medium | | 375 | [猜数字大小II](https://www.cnblogs.com/strengthen/p/10278211.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/375.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/375.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/375.kt) | Medium | | 374 | [猜数字大小](https://www.cnblogs.com/strengthen/p/9769494.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/374.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/374.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/374.kt) | Easy | | 373 | [查找和最小的K对数字](https://www.cnblogs.com/strengthen/p/10278047.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/373.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/373.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/373.kt) | Medium | | 372 | [超级次方](https://www.cnblogs.com/strengthen/p/10277784.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/372.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/372.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/372.kt) | Medium | | 371 | [两整数之和](https://www.cnblogs.com/strengthen/p/9769295.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/371.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/371.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/371.kt) | Easy | | 370 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/370.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/370.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/370.kt) | Medium | | 369 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/369.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/369.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/369.kt) | Medium | | 368 | [最大整除子集](https://www.cnblogs.com/strengthen/p/10277728.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/368.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/368.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/368.kt) | Medium | | 367 | [有效的完全平方数](https://www.cnblogs.com/strengthen/p/9769202.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/367.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/367.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/367.kt) | Easy | | 366 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/366.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/366.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/366.kt) | Medium | | 365 | [水壶问题](https://www.cnblogs.com/strengthen/p/10277648.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/365.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/365.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/365.kt) | Medium | | 364 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/364.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/364.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/364.kt) | Medium | | 363 | [矩形区域不超过K的最大数值和](https://www.cnblogs.com/strengthen/p/10277610.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/363.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/363.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/363.kt) | Hard | | 362 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/362.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/362.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/362.kt) | Medium | | 361 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/361.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/361.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/361.kt) | Medium | | 360 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/360.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/360.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/360.kt) | Medium | | 359 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/359.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/359.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/359.kt) | Easy | | 358 | | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/358.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/358.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/358.kt) | Hard | | 357 | [计算各个位数不同的数字个数](https://www.cnblogs.com/strengthen/p/10276840.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/357.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/357.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/357.kt) | Medium | | 356 | | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/141.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/141.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/141.kt) | Easy | | 140 | [单词拆分II](https://www.cnblogs.com/strengthen/p/9967817.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/140.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/140.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/140.kt) | Hard | | 139 | [单词拆分](https://www.cnblogs.com/strengthen/p/9967645.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/139.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/139.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/139.kt) | Medium | | 138 | [复制带随机指针的链表](https://www.cnblogs.com/strengthen/p/9967399.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/138.cpp) | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/128.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/128.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/128.kt) | Hard | | 127 | [单词接龙](https://www.cnblogs.com/strengthen/p/9957561.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/127.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/127.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/127.kt) | Medium | | 126 | [单词接龙II](https://www.cnblogs.com/strengthen/p/9958336.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/126.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/126.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/126.kt) | Hard | | 125 | [验证回文串](https://www.cnblogs.com/strengthen/p/9709977.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/125.cpp) | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/115.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/115.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/115.kt) | Hard | | 114 | [二叉树展开为链表](https://www.cnblogs.com/strengthen/p/9951931.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/114.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/114.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/114.kt) | Medium | | 113 | [路径总和II](https://www.cnblogs.com/strengthen/p/9951816.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/113.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/113.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/113.kt) | Medium | | 112 | [ 路径总和](https://www.cnblogs.com/strengthen/p/9709165.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/112.cpp) | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/102.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/102.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/102.kt) | Medium | | 101 | [对称二叉树](https://www.cnblogs.com/strengthen/p/9697993.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/101.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/101.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/101.kt) | Easy | | 100 | [相同的树](https://www.cnblogs.com/strengthen/p/9697990.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/100.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/100.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/100.kt) | Hard | | 99 | [恢复二叉搜索树](https://www.cnblogs.com/strengthen/p/9937254.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/99.cpp) | 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[✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/96.kt) | Medium | | 95 | [不同的二叉搜索树II](https://www.cnblogs.com/strengthen/p/9936976.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/95.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/95.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/95.kt) | Medium | | 94 | [二叉树的中序遍历](https://www.cnblogs.com/strengthen/p/9936920.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/94.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/94.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/94.kt) | Medium | | 93 | [复原IP地址](https://www.cnblogs.com/strengthen/p/9936814.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/93.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/93.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/93.kt) | Medium | | 92 | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/89.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/89.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/89.kt) | Medium | | 88 | [合并两个有序数组](https://www.cnblogs.com/strengthen/p/9697984.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/88.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/88.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/88.kt) | Easy | | 87 | [扰乱字符串](https://www.cnblogs.com/strengthen/p/9935700.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/87.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/87.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/87.kt) | Hard | | 86 | [分隔链表](https://www.cnblogs.com/strengthen/p/9935628.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/86.cpp) | 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[单词搜索](https://www.cnblogs.com/strengthen/p/9934341.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/79.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/79.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/79.kt) | Medium | | 78 | [子集](https://www.cnblogs.com/strengthen/p/9933967.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/78.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/78.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/78.kt) | Medium | | 77 | [组合](https://www.cnblogs.com/strengthen/p/9933809.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/77.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/77.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/77.kt) | Medium | | 76 | [最小覆盖子串](https://www.cnblogs.com/strengthen/p/9931643.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/76.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/76.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/76.kt) | Hard | | 75 | [颜色分类](https://www.cnblogs.com/strengthen/p/9929610.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/75.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/75.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/75.kt) | Medium | | 74 | [搜索二维矩阵](https://www.cnblogs.com/strengthen/p/9929505.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/74.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/74.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/74.kt) | Medium | | 73 | [矩阵置零](https://www.cnblogs.com/strengthen/p/9928348.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/73.cpp) | 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[✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/70.kt) | Easy | | 69 | [x的平方根](https://www.cnblogs.com/strengthen/p/9697974.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/69.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/69.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/69.kt) | Easy | | 68 | [文本左右对齐](https://www.cnblogs.com/strengthen/p/9923814.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/68.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/68.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/68.kt) | Hard | | 67 | [二进制求和](https://www.cnblogs.com/strengthen/p/9697968.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/67.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/67.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/67.kt) | Easy | | 66 | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/63.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/63.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/63.kt) | Medium | | 62 | [不同路径](https://www.cnblogs.com/strengthen/p/9921029.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/62.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/62.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/62.kt) | Medium | | 61 | [旋转链表](https://www.cnblogs.com/strengthen/p/9920940.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/61.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/61.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/61.kt) | Medium | | 60 | [第k个排列](https://www.cnblogs.com/strengthen/p/9920849.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/60.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/60.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/60.kt) | Medium | | 59 | [螺旋矩阵II](https://www.cnblogs.com/strengthen/p/9920694.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/59.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/59.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/59.kt) | Medium | | 58 | [最后一个单词的长度](https://www.cnblogs.com/strengthen/p/9697952.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/58.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/58.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/58.kt) | Easy | | 57 | [插入区间](https://www.cnblogs.com/strengthen/p/9917924.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/57.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/57.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/57.kt) | Hard | | 56 | [合并区间](https://www.cnblogs.com/strengthen/p/9917865.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/56.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/56.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/56.kt) | Medium | | 55 | [跳跃游戏](https://www.cnblogs.com/strengthen/p/9917793.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/55.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/55.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/55.kt) | Medium | | 54 | [螺旋矩阵](https://www.cnblogs.com/strengthen/p/9917757.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/54.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/54.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/54.kt) | Medium | | 53 | 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[✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/50.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/50.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/50.kt) | Medium | | 49 | [字母异位词分组](https://www.cnblogs.com/strengthen/p/9907946.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/49.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/49.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/49.kt) | Medium | | 48 | [旋转图像](https://www.cnblogs.com/strengthen/p/9907843.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/48.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/48.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/48.kt) | Medium | | 47 | [全排列II](https://www.cnblogs.com/strengthen/p/9907631.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/47.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/47.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/47.kt) | Medium | | 46 | [全排列](https://www.cnblogs.com/strengthen/p/9907570.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/46.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/46.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/46.kt) | Medium | | 45 | [跳跃游戏II](https://www.cnblogs.com/strengthen/p/9907513.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/45.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/45.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/45.kt) | Hard | | 44 | [通配符匹配](https://www.cnblogs.com/strengthen/p/9907424.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/44.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/44.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/44.kt) | Hard | | 43 | [字符串相乘](https://www.cnblogs.com/strengthen/p/9907355.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/43.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/43.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/43.kt) | Medium | | 42 | [接雨水](https://www.cnblogs.com/strengthen/p/9903130.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/42.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/42.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/42.kt) | Hard | | 41 | [缺失的第一个正数](https://www.cnblogs.com/strengthen/p/9901428.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/41.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/41.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/41.kt) | Hard | | 40 | [组合总和II](https://www.cnblogs.com/strengthen/p/9901355.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/40.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/40.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/40.kt) | Medium | | 39 | [组合总和](https://www.cnblogs.com/strengthen/p/9900712.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/39.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/39.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/39.kt) | Medium | | 38 | [报数](https://www.cnblogs.com/strengthen/p/9697940.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/38.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/38.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/38.kt) | Easy | | 37 | [解数独](https://www.cnblogs.com/strengthen/p/9900641.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/37.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/37.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/37.kt) | Hard | | 36 | [有效的数独](https://www.cnblogs.com/strengthen/p/9900296.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/36.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/36.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/36.kt) | Medium | | 35 | [搜索插入位置](https://www.cnblogs.com/strengthen/p/9697930.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/35.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/35.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/35.kt) | Easy | | 34 | [在排序数组中查找元素的第一个和最后一个位置](https://www.cnblogs.com/strengthen/p/9900149.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/34.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/34.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/34.kt) | Medium | | 33 | [搜索旋转排序数组](https://www.cnblogs.com/strengthen/p/9899997.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/33.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/33.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/33.kt) | Medium | | 32 | [最长有效括号](https://www.cnblogs.com/strengthen/p/9898451.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/32.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/32.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/32.kt) | Hard | | 31 | [下一个排列](https://www.cnblogs.com/strengthen/p/9897957.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/31.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/31.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/31.kt) | Medium | | 30 | [与所有单词相关联的字串](https://www.cnblogs.com/strengthen/p/9897592.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/30.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/30.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/30.kt) | Hard | | 29 | [两数相除](https://www.cnblogs.com/strengthen/p/9894980.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/29.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/29.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/29.kt) | Medium | | 28 | [实现strStr](https://www.cnblogs.com/strengthen/p/9697924.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/28.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/28.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/28.kt) |  Easy | | 27 | [移除元素](https://www.cnblogs.com/strengthen/p/9697916.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/27.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/27.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/27.kt) |  Easy | | 26 | [删除排序数组中的重复项](https://www.cnblogs.com/strengthen/p/9697912.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/26.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/26.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/26.kt) | Easy | | 25 | [k个一组翻转链表](https://www.cnblogs.com/strengthen/p/9892367.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/25.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/25.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/25.kt) | Hard | | 24 | [两两交换链表中的节点](https://www.cnblogs.com/strengthen/p/9892062.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/24.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/24.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/24.kt) | Medium | | 23 | [合并K个排序链表](https://www.cnblogs.com/strengthen/p/9891419.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/23.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/23.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/23.kt) | Hard | | 22 | [括号生成](https://www.cnblogs.com/strengthen/p/9890477.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/22.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/22.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/22.kt) | Medium  | | 21 | [合并两个有序链表](https://www.cnblogs.com/strengthen/p/9697907.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/21.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/21.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/21.kt) | Easy | | 20 | [有效的括号](https://www.cnblogs.com/strengthen/p/9697906.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/20.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/20.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/20.kt) | Easy | | 19 | [删除链表的倒数第N个节点](https://www.cnblogs.com/strengthen/p/9890204.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/19.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/19.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/19.kt) | Medium | | 18 | [四数之和](https://www.cnblogs.com/strengthen/p/9889017.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/18.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/18.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/18.kt) | Medium | | 17 | [电话号码的字母组合](https://www.cnblogs.com/strengthen/p/9888168.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/17.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/17.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/17.kt) | Medium | | 16 | [最接近的三数之和](https://www.cnblogs.com/strengthen/p/9885069.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/16.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/16.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/16.kt) | Medium | | 15 | [三数之和](https://www.cnblogs.com/strengthen/p/9884470.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/15.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/15.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/15.kt) | Medium | | 14 | [最长公共前缀](https://www.cnblogs.com/strengthen/p/9697903.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/14.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/14.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/14.kt) | Easy | | 13 | [罗马数字转整数](https://www.cnblogs.com/strengthen/p/9697900.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/13.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/13.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/13.kt) | Easy | | 12 | [整数转罗马数字](https://www.cnblogs.com/strengthen/p/9883993.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/12.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/12.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/12.kt) | Medium | | 11 | [盛最多水的容器](https://www.cnblogs.com/strengthen/p/9883829.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/11.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/11.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/11.kt) | Medium | | 10 | [正则表达式匹配](https://www.cnblogs.com/strengthen/p/9883662.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/10.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/10.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/10.kt) | Hard | | 9 | [回文数](https://www.cnblogs.com/strengthen/p/9697895.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/9.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/9.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/9.kt) | Easy | | 8 | [字符串转整数(atoi)](https://www.cnblogs.com/strengthen/p/9881572.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/8.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/8.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/8.kt) | Medium | | 7 | [反转整数](https://www.cnblogs.com/strengthen/p/9697892.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/7.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/7.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/7.kt) | Easy | | 6 | [Z字形变换](https://www.cnblogs.com/strengthen/p/9872595.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/6.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/6.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/6.kt) | Medium | | 5 | [最长回文子串](https://www.cnblogs.com/strengthen/p/9860395.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/5.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/5.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/5.kt) | Medium | | 4 | [两个排序数组的中位数](https://www.cnblogs.com/strengthen/p/9858777.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/4.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/4.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/4.kt) | Hard | | 3 | [无重复字符的最长子串](https://www.cnblogs.com/strengthen/p/9858659.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/3.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/3.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/3.kt) | Medium | | 2 | [两数相加](https://www.cnblogs.com/strengthen/p/9697862.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/2.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/2.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/2.kt) | Medium | | 1 | [两数之和](https://www.cnblogs.com/strengthen/p/9697856.html) | [✓](https://github.com/strengthen/LeetCode/blob/master/C%2B%2B/1.cpp) | [✓](https://github.com/strengthen/LeetCode/blob/master/Python3/1.py) | [✓](https://github.com/strengthen/LeetCode/tree/master/Kotlin/1.kt) | Easy | ### 热烈欢迎参与本项目！→ [教程](https://github.com/strengthen/LeetCode/blob/master/MD/Image/ParticipationCourse.md) ![Leetcode](./MD/Image/QR_code.png?style=centerme) ## License This is under an MIT license. See the [LICENSE](LICENSE) for more information.