| problems | difficulty | code | test code | tag | |
|---|---|---|---|---|---|
| 0001 | 两数之和 | easy | 0001_twoSum.go | test.go | violence, hash table |
| 0002 | 两数相加 | medium | 0002_addTwoNumbers.go | test.go | linked list |
| 0003 | 无重复字符的最长子串 | medium | 0003_lengthOfLongestSubstring.go | test.go | string |
| 0004 | 寻找两个正序数组的中位数 | hard | 0004_findMedianSortedArrays.go | test.go | arrays |
| 0005 | 最长回文子串 | medium | 0005_longestPalindrome.go | test.go | dp |
| 0006 | V字形变换 vConvert | medium | 0006_vConvert.go | test.go | string |
| 0007 | 整数反转 | medium | 0007_reverse.go | test.go | - |
| 0008 | 字符串转换整数 (atoi) | medium | 0008_myAtoi.go | test.go | - |
| 0009 | 回文数 | medium | 0009_isPalindrome.go | test.go | - |
| 0010 | 正则表达式匹配 | hard | 0010_isMatch.go | test.go | dp |
| 0011 | 盛最多水的容器 | medium | 0011_maxArea.go | test.go | double pointer |
| 0012 | 整数转罗马数字 | medium | 0012_intToRoman.go | test.go | hash table |
| 0013 | 罗马数字转整数 | medium | 0013_romanToInt.go | test.go | hash table |
| 0014 | 最长公共前缀 | easy | 0014_longestCommonPrefix.go | test.go | - |
| 0015 | 三数之和 | medium | 0015_threeSum.go | test.go | double pointer |
| 0016 | 最接近的三数之和 | medium | 0016_threeSumClosest.go | test.go | double pointer |
| 0017 | 电话号码的字母组合 | medium | 0017_letterCombinations.go | test.go | backtracking |
| 0018 | 四数之和 | medium | 0018_fourSum.go | test.go | double pointer |
| 0019 | 删除链表的倒数第 N 个结点 | medium | 0019_removeNthFromEnd.go | test.go | fast and slow pointer |
| 0020 | 有效的括号 | easy | 0020_isValid.go | test.go | stack |
| 0021 | 合并两个有序链表 | easy | 0021_mergeTwoLists.go | test.go | Iterative |
| 0022 | 括号生成 | medium | 0022_generateParenthesis.go | test.go | backtracking algorithm |
