记录个人算法学习

Simple

Integer

2019-08-31 => 476.数字的补数 FindComplement.java

2019-09-03 => 492.构造矩形 ConstructRectangle.java

2019-09-06 => 504.七进制数 ConvertToBase7.java

2019-09-08 => 507.完美数 CheckPerfectNumber.java

2019-10-04 => 633.平方数之和 JudgeSquareSum.java

2019-10-14 => 693.交替位二进制数 HasAlternatingBits.java

2019-11-13 => 728.自除数 SelfDividingNumbers.java

2019-11-16 => 762.二进制表示中质数个计算置位 CountPrimeSetBits.java

2019-11-16 => 754.到达终点数字 ReachNumber.java

2019-11-26 => 788.旋转数字 RotatedDigits.java

2019-12-15 => 868.二进制间距 BinaryGap.java

2019-12-31 => 38.外观数列 CountAndSay.java

2020-01-03 => 933.最近的请求次数 RecentCounter.java

2020-01-14 => 970.强整数 PowerfulIntegers.java

2020-02-02 => 1009.十进制整数的反码 BitwiseComplement.java

2020-02-08 => 1025.除数博弈 DivisorGame.java

2020-02-15 => 1175.质数排列 NumPrimeArrangements.java

2020-02-18 => 1185.一周中的第几天 DayOfTheWeek.java

2020-02-25 => 1237.找出给定方程的正整数解 FindSolution.java

2020-03-01 => 1281.整数的各位积和之差 SubtractProductAndSum.java

2020-03-06 => 1304.和为零的N个唯一整数 SumZero.java

2020-03-09 => 1317.将整数转换为两个无零整数的和 GetNoZeroIntegers.java

2020-03-10 => 1323.6和9组成的最大数字 Maximum69Number.java

2020-03-14 => 1342.将数字变成0的操作次数 NumberOfSteps.java

2020-03-21 => 1374.生成每种字符都是奇数个的字符串 GenerateTheString.java

2020-04-05 => 5360.统计最大组的数目 CountLargestGroup.java

2020-04-22 => 面试题05.01.插入 InsertBits.java

2020-04-23 => 面试题05.03.翻转数位 ReverseBits.java

2020-04-24 => 面试题05.06.整数转换 ConvertInteger.java

2020-04-27 => 面试题05.07.配对交换 ExchangeBits.java

2020-04-28 => 面试题08.01.三步问题 WaysToStep.java

2020-05-06 => 面试题16.05.阶乘尾数 TrailingZeroes.java

2020-05-07 => 面试题16.07.最大数值 Maximum.java

2020-05-08 => 面试题16.11.跳水板 DivingBoard.java

2020-05-12 => 面试题17.01.不用加号的加法 Add.java

2020-05-25 => 面试题10-I.斐波拉契数列 Fib.java

2020-05-26 => 面试题10-II.青蛙跳台阶问题 NumWays.java

2020-05-27 => 面试题15. 二进制中1的个数 HammingWeight.java

2020-05-27 => 面试题17. 打印从1到最大的n位数 PrintNumbers.java

2020-06-21 => 1486. 数组异或操作 XorOperation.java

2020-06-26 => 剑指 Offer 60. n个骰子的点数 TwoSum.java

2020-06-30 => 剑指 Offer 62. 圆圈中最后剩下的数字 LastRemaining.java

2020-07-02 => 剑指 Offer 65. 不用加减乘除做加法 Add.java

2020-07-20 => 1518. 换酒问题 NumWaterBottles.java

String

2019-09-02 => 482.密钥格式化 LicenseKeyFormatting.java

2019-09-07 => 520.检测大写字母 DetectCapitalUse.java

2019-09-07 => 521.最长特殊序列 I FindLUSlength.java

2019-09-14 => 541.反转字符串 II ReverseStr2.java

2019-09-16 => 551.学生出勤记录 I CheckRecord1.java

2019-09-21 => 557. 反转字符串中的单词 III ReverseWords3.java

2019-10-01 => 599.两个列表的最小索引总和 FindRestaurant.java

2019-10-08 => 657.机器人能否返回原点 JudgeCircle.java

2019-10-11 => 299.猜数字游戏 GetHint.java

2019-10-12 => 680.验证回文字符串II ValidPalindrome2.java

2019-10-12 => 682.棒球比赛 CalPoints.java

2019-10-13 => 686.重复叠加字符串匹配 RepeatedStringMatch.java

2019-10-14 => 696.计数二进制子串 CountBinarySubstrings.java

2019-11-11 => 709.转换成小写字母 ToLowerCase.java

2019-11-12 => 720.词典中最长的单词 LongestWord.java

2019-11-15 => 748.最短完整词 ShortestCompletingWord.java

2019-11-18 => 771.宝石与石头 NumJewelsInStones.java

2019-11-25 => 784.字母大小写全排列 LetterCasePermutation.java

2019-11-27 => 796.旋转字符串 RotateString.java

2019-11-29 => 806.写字符串需要的行数 NumberOfLines.java

2019-12-02 => 819.最常见的单词 MostCommonWord.java

2019-12-03 => 821.字符的最短距离 ShortestToChar.java

2019-12-04 => 824.山羊拉丁文 ToGoatLatin.java

2019-12-06 => 830.较大分组的位置 LargeGroupPositions.java

2019-12-09 => 844.比较含退格的字符串 BackspaceCompare.java

2019-12-12 => 859.亲密字符串 BuddyStrings.java

2019-12-20 => 884.两句话中的不常见单词 UncommonFromSentences.java

2019-12-23 => 893.特殊等价字符串组 NumSpecialEquivGroups.java

2019-12-29 => 917.仅仅反转字母 ReverseOnlyLetters.java

2020-01-01 => 925.长按键入 IsLongPressedName.java

2020-01-02 => 929.独特的电子邮件地址 NumUniqueEmails.java

2020-01-04 => 937.重新排列日志文件 ReorderLogFiles.java

2020-01-07 => 942.增减字符串匹配 DiStringMatch.java

2020-01-08 => 944.删列造序 MinDeletionSize.java

2020-01-11 => 953.验证外星语词典 IsAlienSorted.java

2020-01-31 => 1002.查找常用字符 CommonChars.java

2020-02-06 => 1021.删除最外层的括号 RemoveOuterParentheses.java

2020-02-11 => 1154.一年中的第几天 DayOfYear.java

2020-02-13 => 1160.拼写单词 CountCharacters.java

2020-02-14 => 1170.比较字符串最小字母出现频次 NumSmallerByFrequency.java

2020-02-19 => 1189."气球"的最大数量 MaxNumberOfBalloons.java

2020-02-23 => 1221.分割平衡字符串 BalancedStringSplit.java

2020-03-07 => 1309.解码字母到整数映射 FreqAlphabets.java

2020-03-12 => 1332.删除回文子序列 RemovePalindromeSub.java

2020-03-18 => 1360.日期之间隔几天 DaysBetweenDates.java

2020-03-20 => 1370.上升下降字符串 SortString.java

2020-03-27 => 面试题01.01.判定字符是否唯一 IsUnique.java

2020-03-28 => 面试题01.02.判定是否互为字符重排 CheckPermutation.java

2020-03-30 => 面试题01.03.URL化 ReplaceSpaces.java

2020-03-31 => 面试题01.04.回文排列 CanPermutePalindrome.java

2020-04-01 => 面试题01.06.字符串压缩 CompressString.java

2020-04-02 => 面试题01.09。字符串轮转 IsFlipedString.java

2020-04-21 => 1417.重新格式化字符串 Reformat.java

2020-04-26 => 5392.分割字符串的最大得分 MaxScore.java

2020-05-09 => 面试题16.15.珠玑妙算 MasterMind.java

2020-05-17 => 5396.连续字符 MaxPower.java

2020-05-21 => 面试题05.替换空格 ReplaceSpace.java

2020-05-24 => 5416.检查单词是否为句中其他单词的前缀 IsPrefixOfWord.java

2020-06-12 => 面试题50. 第一个只出现一次的字符 FirstUniqChar.java

2020-06-23 => 剑指 Offer 58 - I. 翻转单词顺序 ReverseWords.java

2020-06-24 => 剑指 Offer 58 - II. 左旋转字符串 ReverseLeftWords.java

2020-06-29 => 1496. 判断路径是否相交 IsPathCrossing.java

2020-07-17 => 1507. 转变日期格式 ReformatDate.java

Array

2019-09-03 => 485.最大连续1的个数 FindMaxConsecutiveOnes.java

2019-09-04 => 496.下一个更大元素 I NextGreaterElement.java

2019-09-04 => 500.键盘行 FindWords.java

2019-09-06 => 506.相对名次 FindRelativeRanks.java

2019-09-09 => 532.数组中的k-diif数对 FindPairs.java

2019-09-23 => 561.数组拆分 I ArrayPairSum.java

2019-09-25 => 563.二叉树的坡度 FindTilt.java

2019-09-25 => 566.重塑矩阵 MatrixReshape.java

2019-09-27 => 575.分糖果 DistributeCandies.java

2019-09-28 => 581.最短无序连续子数组 FindUnsortedSubarray.java

2019-09-29 => 594.最长和谐子序列 FindLHS.java

2019-09-30 => 605.种花问题 CanPlaceFlowers.java

2019-10-06 => 643.子数组最大平均数 I FindMaxAverage.java

2019-10-07 => 645.错误的集合 FindErrorNums.java

2019-10-08 => 661.图片平滑器 ImageSmoother.java

2019-10-08 => 665.非递减数列 CheckPossibility.java

2019-10-12 => 674.最长连续递增序列 FindLengthOfLCIS.java

2019-10-14 => 690.员工的重要性 GetImportance.java

2019-11-08 => 697.数组的度 FindShortestSubArray.java

2019-11-09 => 703.数据流中的第K大元素 KthLargest.java

2019-11-10 => 704.二分查找 Search.java

2019-11-11 => 717.1比特与2比特字符 IsOneBitCharacter.java

2019-11-13 => 724.寻找数组的中心索引 PivotIndex.java

2019-11-13 => 733.图像渲染 FloodFill.java

2019-11-14 => 744.寻找比目标字母大的最小字母 NextGreatestLetter.java

2019-11-14 => 746.使用最小花费爬楼梯 MinCostClimbingStairs.java

2019-11-15 => 747.至少是其他数字两倍的最大数 DominantIndex.java

2019-11-17 => 766.托普利茨矩阵 IsToeplitzMatrix.java

2019-11-28 => 804.唯一摩尔斯密码词 UniqueMorseRepresentations.java

2019-11-30 => 811.子域名访问计数 SubdomainVisits.java

2019-12-01 => 812.最大三角形 LargestTriangleArea.java

2019-12-06 => 832.翻转图像 FlipAndInvertImage.java

2019-12-07 => 836.矩形重叠 IsRectangleOverlap.java

2019-12-08 => 840.矩阵中的幻方 NumMagicSquaresInside.java

2019-12-10 => 849.到最近的人的最大距离 MaxDistToClosest.java

2019-12-11 => 852.山脉数组的峰顶索引 PeakIndexInMountainArray.java

2019-12-13 => 860.柠檬水找零 LemonadeChange.java

2019-12-14 => 867.转置矩阵 Transpose.java

2019-12-17 => 874.模拟行走机器人 RobotSim.java 最后一个用例没通过

2019-12-19 => 883.二维形体投影面积 ProjectionArea.java

2019-12-21 => 888.公平的糖果交换 FairCandySwap.java

2019-12-22 => 892.三维形体的表面积 SurfaceArea.java

2019-12-24 => 896.单调数列 IsMonotonic.java

2019-12-26 => 905.按奇偶排序数组 SortArrayByParity.java

2019-12-27 => 908.最小差值I SmallestRangeI.java

2019-12-28 => 914.卡牌分组 HasGroupsSizeX.java

2019-12-30 => 922.按奇偶排序数组II SortArrayByParityII.java

2020-01-06 => 941.有效的山脉数组 ValidMountainArray.java

2020-01-10 => 949.给定数字能组成的最大时间 LargestTimeFromDigits.java

2020-01-12 => 961.重复N次的元素 RepeatedNTimes.java

2020-01-15 => 976.三角形的最大周长 LargestPerimeter.java

2020-01-17 => 977.有序数组的平方 SortedSquares.java

2020-01-18 => 985.查询后的偶数和 SumEvenAfterQueries.java

2020-01-18 => 989.数组形式的整数加法 AddToArrayForm.java

2020-01-28 => 994.腐烂的橘子 OrangesRotting.java

2020-01-29 => 997.找到小镇的法官 FindJudge.java

2020-01-30 => 999.车的可用捕获量 NumRookCaptures.java

2020-02-01 => 1005.K次取反后最大化的数组和 LargestSumAfterKNegations.java

2020-02-03 => 1010.总持续时间可被60整除的歌曲 NumPairsDivisibleBy60.java

2020-02-04 => 1013.将数组分成和相等的三个部分 CanThreePartsEqualSum.java

2020-02-05 => 1018.可被5整除的二进制前缀 PrefixesDivBy5.java

2020-02-09 => 1030.距离顺序排列矩阵单元格 AllCellsDistOrder.java

2020-02-10 => 1042.不邻接植花 GardenNoAdj.java

2020-02-17 => 1184.公交站间的距离 DistanceBetweenBusStops.java

2020-02-20 => 1200.最小绝对差 MinimumAbsDifference.java

2020-02-21 => 1207.独一无二的出现次数 UniqueOccurrences.java

2020-02-22 => 1217.玩筹码 MinCostToMoveChips.java

2020-02-24 => 1232.缀点成线 CheckStraightLine.java

2020-02-26 => 1252.奇数值单元格的数目 OddCells.java

2020-02-27 => 1260.二维网格迁移 ShiftGrid.java

2020-02-28 => 1266.访问所有点的最小时间 MinTimeToVisitAllPoints.java

2020-02-29 => 1275.找出井字棋的获胜者 Tictactoe.java

2020-03-02 => 1287.有序数组中出现次数超过25%的元素 FindSpecialInteger.java

2020-03-04 => 1295.统计位数为偶数的数字 FindNumbers.java

2020-03-05 => 1299.将每个元素替换为右侧最大元素 ReplaceElements.java

2020-03-08 => 1313.解压缩编码列表 DecompressRLElist.java

2020-03-11 => 1331.数组序号转换 ArrayRankTransform.java

2020-03-13 => 1337.方阵中战斗力最弱的K行 KWeakestRows.java

2020-03-15 => 1346.检查整数及其两倍数是否存在 CheckIfExist.java

2020-03-16 => 1351.统计有序矩阵中的负数 CountNegatives.java

2020-03-17 => 1356.根据数字二进制下1的数目排序 SortByBits.java

2020-03-19 => 1365.有多少小于当前数字的数字 SmallerNumbersThanCurrent.java

2020-03-22 => 1380.矩阵中的幸运数 LuckyNumbers.java

2020-03-23 => 1385.两个数组间的距离值 FindTheDistanceValue.java

2020-03-24 => 1389.按既定顺序创建目标数组 CreateTargetArray.java

2020-03-25 => LCP1.猜数字 Game.java

2020-03-26 => LCP2.分式化简 Fraction.java

2020-03-29 => 5368.找出数组中的幸运数 FindLucky.java

2020-04-06 => 1403.非递增顺序的最小子序列 MinSubsequence.java

2020-04-12 => 5380.数组中的字符串匹配 StringMatching.java

2020-04-18 => LCP06.拿硬币 MinCount.java

2020-04-19 => 5372.逐步求和得到正数的最小值 MinStartValue.java

2020-04-21 => LCP07.传递信息 NumWays.java

2020-04-25 => LCP11.期望个数统计 ExpectNumber.java

2020-04-29 => 面试题08.03.魔术索引 FindMagicIndex.java

2020-05-01 => 面试题08.10.颜色填充 FloodFill2.java

2020-05-02 => 面试题10.01.合并排序的数组 Merge.java

2020-05-03 => 5384.拥有最多糖果的孩子 KidsWithCandies.java

2020-05-05 => 面试题10.05.稀疏数组搜索 FindString.java

2020-05-10 => 5404.用栈操作构建数组 BuildArray.java

2020-05-11 => 面试题16.17.连续数列 MaxSubArray.java

2020-05-13 => 面试题17.04.消失的数字 MissingNumber.java

2020-05-14 => 面试题17.10.主要元素 MajorityElement.java

2020-05-16 => 面试题17.16.按摩师 Massage.java

2020-05-18 => 1450.在既定时间做作业的学生人数 BusyStudent.java

2020-05-19 => 面试题03.数组中重复的数字 FindRepeatNumber.java

2020-05-20 => 面试题04.二维数组中的查找 FindNumberIn2DArray.java

2020-05-27 => 面试题11.旋转数组的最小数字 MinArray.java

2020-05-28 => 面试题21. 调整数组顺序使奇数位于偶数前面 Exchange.java

2020-05-31 => 5408. 通过翻转子数组使两个数组相等 CanBeEqual.java

2020-06-01 => 1464. 数组中两元素的最大乘积 MaxProduct.java

2020-06-06 => 面试题29. 顺时针打印矩阵 SpiralOrder.java

2020-06-07 => 5428. 重新排列数组 Shuffle.java

2020-06-08 => 面试题39. 数组中出现次数超过一半的数字 MajorityElement.java

2020-06-09 => 面试题40. 最小的k个数 GetLeastNumbers.java

2020-06-10 => 面试题42. 连续子数组的最大和 MaxSubArray.java

2020-06-13 => 面试题53 - I. 在排序数组中查找数字 I Search2.java

2020-06-13 => 面试题53 - II. 0～n-1中缺失的数字 MissingNumber.java

2020-06-14 => 5420. 商品折扣后的最终价格 FinalPrices.java

2020-06-15 => 1480. 一维数组的动态和 RunningSum.java

2020-06-19 => 剑指 Offer 57. 和为s的两个数字 TwoSum.java

2020-06-20 => 剑指 Offer 57 - II. 和为s的连续正数序列 FindContinuousSequence.java

2020-06-25 => 剑指 Offer 59 - I. 滑动窗口的最大值 MaxSlidingWindow.java

2020-06-27 => 剑指 Offer 61. 扑克牌中的顺子 IsStraight.java

2020-06-28 => 5432. 去掉最低工资和最高工资后的工资平均值 Average.java

2020-07-08 => 1502. 判断能否形成等差数列 CanMakeArithmeticProgression.java

2020-07-18 => 1512. 好数对的数目 NumIdenticalPairs.java

2020-07-21 => 剑指 Offer 66. 构建乘积数组 ConstructArr.java

Tree

2019-09-05 => 501.二叉搜索树中的众数 FindMode.java

2019-09-09 => 530.二叉搜索树的最小绝对差 GetMinimumDifference.java

2019-09-10 => 538.把二叉搜索树转换为累加树 ConvertBST.java

2019-09-15 => 543.二叉树的直径 DiameterOfBinaryTree.java

2019-09-22 => 558.四叉树交集 Intersect.java

2019-09-23 => 559.N叉树的最大深度 MaxDepth.java

2019-09-26 => 572.另一个树的子树 IsSubtree.java

2019-09-28 => 589.N叉树的前序遍历 Preorder.java

2019-09-28 => 590.N叉树的后序遍历 Postorder.java

2019-09-30 => 617.合并二叉树 MergeTrees.java

2019-10-01 => 606.根据二叉树创建字符串 Tree2str.java

2019-10-05 => 637.二叉树的层平均值 AverageOfLevels.java

2019-10-08 => 653.两数之和 IV FindTarget4.java

2019-10-11 => 669.修剪二叉搜索树 TrimBST.java

2019-10-11 => 671.二叉树中第二小的节点 FindSecondMinimumValue.java

2019-10-14 => 687.最长同值路径 LongestUnivaluePath.java

2019-11-08 => 700.二叉搜索树中的搜索 SearchBST.java

2019-11-24 => 783.二叉搜索树结点最小距离 MinDiffInBST.java

2019-12-17 => 872.叶子相似的树 LeafSimilar.java

2019-12-25 => 897.递增顺序查找树 IncreasingBST.java

2020-01-05 => 938.二叉搜索树的范围和 RangeSumBST.java

2020-01-14 => 965.单值二叉树 IsUnivalTree.java

2020-01-20 => 993.二叉树的堂兄弟节点 IsCousins.java

2020-02-07 => 1022.从根到叶的二进制数之和 SumRootToLeaf.java

2020-04-15 => 面试题04.02.最小高度树 SortedArrayToBST.java

2020-04-17 => 面试题04.04.检查平衡性 IsBalanced.java

2020-05-15 => 面试题17.12.BiNode ConvertBiNode.java

2020-06-03 => 面试题27. 二叉树的镜像 MirrorTree.java

2020-06-04 => 面试题28. 对称的二叉树 IsSymmetric.java

2020-06-05 => 面试题32 - II. 从上到下打印二叉树 II LevelOrder.java

2020-06-16 => 面试题54. 二叉搜索树的第k大节点 KthLargest.java

2020-06-17 => 面试题55 - I. 二叉树的深度 MaxDepth2.java

2020-06-18 => 面试题55 - II. 平衡二叉树 IsBalanced.java

2020-07-24 => 面试题68 - I. 二叉搜索树的最近公共祖先 LowestCommonAncestor.java

Hash

2019-11-10 => 705.设计哈希集合 MyHashSet.java

2019-11-11 => 706.设计哈希映射 MyHashMap.java 基于两个数组

SQL

2019-09-30 => 595.大的国家 BigCountry.sql

2019-09-30 => 596.超过5名学生的课 LessonForMoreThanFive.sql

2019-10-02 => 620.有趣的电影 InterestingMovie.sql

2019-10-03 => 627.交换工资 ExchangeSalary.sql

2020-02-17 => 1179.重新格式化部门表 ReformattingTheDepartmentTable.sql

List

2019-12-18 => 876.链表的中间结点 MiddleNode.java

2020-03-03 => 1290.二进制链表转整数 GetDecimalValue.java

2020-04-03 => 面试题02.01.移除重复节点 RemoveDuplicateNodes.java

2020-04-04 => 面试题02.02.返回倒数第K个节点 KthToLast.java

2020-04-07 => 面试题02.03.删除中间节点 DeleteNode.java

2020-04-08 => 面试题02.06.回文链表 IsPalindrome.java

2020-04-09 => 面试题02.07.链表相交 GetIntersectionNode.java

2020-04-30 => 面试题08.06.汉诺塔问题 Hanota.java

2020-05-04 => 1436.旅行终点站 DestCity.java

2020-05-22 => 面试题06.从尾到头打印链表 ReversePrint.java

2020-05-27 => 面试题18. 删除链表的节点 DeleteNode2.java

2020-05-29 => 面试题22. 链表中倒数第k个节点 GetKthFromEnd.java

2020-05-30 => 面试题24. 反转链表 ReverseList.java

2020-06-02 => 面试题25. 合并两个排序的链表 MergeTwoLists.java

2020-06-12 => 面试题52. 两个链表的第一个公共节点 GetIntersectionNode.java

Stack

2020-04-10 => 面试题03.01.三合一 TripleInOne.java

2020-04-11 => 面试题03.02.栈的最小值 MinStack.java

2020-04-13 => 面试题03.04.化栈为队 MyQueue.java

2020-05-23 => 面试题09.用两个栈实现队列 CQueue.java CQueue.java(利用数组)

Queue

2020-04-14 => 面试题03.06.动物收容所 AnimalShelf.java

Thread

2020-02-12 => 1114.按序打印 Foo.java

Medium

Integer

2020-07-26 => 2. 两数相加 AddTwoNumbers.java

2020-07-31 => 12. 整数转罗马数字 IntToRoman.java

2020-08-07 => 22. 括号生成 GenerateParenthesis.java

2020=08-09 => 29. 两数相除 Divide.java

2020-08-25 => 50. Pow(x, n) MyPow.java

2020-08-31 => 59. 螺旋矩阵 II GenerateMatrix.java

2020-09-01 => 60. 第k个排列 GetPermutation.java

2020-09-04 => 62. 不同路径 UniquePaths.java

2020-09-16 => 77. 组合 Combine.java

2020-09-23 => 89. 格雷编码 GrayCode.java

String

2020-07-27 => 3. 无重复字符的最长子串 LengthOfLongestSubstring.java

2020-07-28 => 6. Z 字形变换 Convert.java

2020-07-29 => 8. 字符串转换整数(atoi) MyAtoi.java

2020-08-04 => 17. 电话号码的字母组合 LetterCombinations.java

2020-08-16 => 43. 字符串相乘 Multiply.java

2020-09-08 => 71. 简化路径 SimplifyPath.java

2020-10-01 => 91. 解码方法 NumDecodings.java

2020-10-09 => 93. 复原IP地址 RestoreIpAddresses.java

Array

2020-07-30 => 11. 盛最多水的容器 MaxArea.java

2020-08-01 => 15. 三数之和 ThreeSum.java

2020-08-03 => 16. 最接近的三数之和 ThreeSumClosest.java

2020-08-05 => 18. 四数之和 FourSum.java

2020-08-11 => 31. 下一个排列 NextPermutation.java

2020-08-12 => 33. 搜索旋转排序数组 Search.java

2020-08-13 => 34. 在排序数组中查找元素的第一个和最后一个位置 SearchRange.java

2020-08-14 => 39. 组合总和 CombinationSum.java

2020-08-15 => 40. 组合总和 II CombinationSum2.java

2020-08-21 => 46. 全排列 Permute.java

2020-08-23 => 47. 全排列 II PermuteUnique.java

2020-08-24 => 49. 字母异位词分组 GroupAnagrams.java

2020-08-27 => 54. 螺旋矩阵 SpiralOrder.java

2020-08-28 => 55. 跳跃游戏 CanJump.java

2020-08-29 => 56. 合并区间 Merge.java

2020-09-05 => 63. 不同路径 II UniquePathsWithObstacles.java

2020-09-07 => 64. 最小路径和 MinPathSum.java

2020-09-09 => 73. 矩阵置零 SetZeroes.java

2020-09-13 => 74. 搜索二维矩阵 SearchMatrix.java

2020-09-14 => 75. 颜色分类 SortColors.java

2020-09-17 => 78. 子集 Subsets.java

2020-09-18 => 79. 单词搜索 Exist.java

2020-09-19 => 80. 删除排序数组中的重复项 II RemoveDuplicates.java

2020-09-20 => 81. 搜索旋转排序数组 II Search2.java

2020-09-30 => 90. 子集 II SubsetsWithDup.java

List

2020-08-06 => 19. 删除链表的倒数第N个节点 RemoveNthFromEnd.java

2020-08-08 => 24. 两两交换链表中的节点 SwapPairs.java

2020-09-03 => 61. 旋转链表 RotateRight.java

2020-09-21 => 82. 删除排序链表中的重复元素 II DeleteDuplicates.java

2020-09-22 => 86. 分隔链表 Partition.java

2020-10-07 => 92. 反转链表 II ReverseBetween.java

Tree

2020-10-12 => 94. 二叉树的中序遍历 InorderTraversal.java

2020-10-16 => 95. 不同的二叉搜索树 II GenerateTrees.java

2020-10-24 => 96. 不同的二叉搜索树 NumTrees.java