# leetcode

**Repository Path**: er1c-zh/leetcode

## Basic Information

- **Project Name**: leetcode
- **Description**: No description available
- **Primary Language**: Ruby
- **License**: Not specified
- **Default Branch**: master
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2021-06-22
- **Last Updated**: 2021-08-31

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

# leetcode in ruby

## some question

### **Ruby** do **NOT** use `class Node`

leetcode will overwrite `Node` this will make runtime error.

```plain
// 异常的情况：会一直出现这个问题，本地运行是成功的。
Line 107: wrong number of arguments (given 0, expected 2) (ArgumentError) in trie.rb (initialize)

Line 43 in solution.rb (new)
Line 43 in solution.rb (insert)
Line 180 in solution.rb (<main>)
```

## some interesting easy problems

1. 169
1. 172
1. 220 用桶去做一个分类
1. 226 你能白板写一个反转二叉树的函数吗？