| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 27 | Remove Element | Golang | Easy | 🌟 |
| 977 | Squares of a Sorted Array | Golang | Easy | 🌟 |
| 54 | Spiral Matrix | Golang | Medium | 🌟 |
| 59 | Spiral Matrix II | Golang | Medium | 🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 344 | Reverse String | Golang | Easy | 🌟 |
| 392 | Is Subsequence | Golang | Easy | 🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 150 | Evaluate Reverse Polish Notation | Golang | Medium | 🔥 |
| 239 | Sliding Window Maximum | Golang | Hard | 🔥 |
| 347 | Top K Frequent Elements | Golang | Medium | 🔥 |
| 32 | Longest Valid Parentheses | Golang | Hard | 🔥 |
| 155 | Min Stack | Golang | Easy | 🔥 |
| 394 | Decode String | Golang | Medium | 🔥 |
| 946 | Validate Stack Sequences | Golang | Medium | 🔥 |
| 剑指Offer 09 | 用两个栈实现队列 | Golang | Easy | 🌟 |
| 剑指Offer 50 | 第一个只出现一次的字符 | Golang | Easy | 🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 1 | Two Sum | Golang | Easy | 🌟 |
| 454 | 4 Sum II | Golang | Medium | 🌟 |
| 242 | Valid Anagram | Golang | Easy | 🌟 |
| 49 | Group Anagrams | Golang | Medium | 🔥 |
| 438 | Find All Anagrams In a String | Golang | Medium | 🔥 |
| 128 | Longest Consecutive Sequence | Golang | Medium | 🔥 |
| 448 | Find All Numbers Disappeared in an Array | Golang | Easy | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 4 | Median of Two Sorted Arrays | Golang | Hard | 🔥 |
| 33 | Search in Rotated Sorted Array | Golang | Medium | 🔥 |
| 153 | Find Minimum in Rotated Sorted Array | Golang | Medium | 🔥 |
| 154 | Find Minimum in Rotated Sorted Array II | Golang | Hard | 🌟🌟🌟 |
| 34 | Find First and Last Position of Element in Sorted Array | Golang | Medium | 🔥 |
| 74 | Search a 2d-Matrix | Golang | Medium | 🔥 |
| 240 | Search a 2d-Matrix II | Golang | Medium | 🔥 |
| 剑指Offer 53 I | 在排序数组中查找数字 I | Golang | Easy | 🔥 |
| 剑指Offer 53 II | 0～n-1中缺失的数字 | Golang | Easy | 🔥 |
| 50 | Pow(x, n) | Golang | Medium | 🌟🌟 |
| 69 | Sqrtx | Golang | Easy | 🔥 |
| 367 | Valid Perfect Square | Golang | Easy | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 15 | 3Sum | Golang | Medium | 🔥 |
| 18 | 4Sum | Golang | Medium | 🌟🌟 |
| 27 | Remove Element | Golang | Easy | 🌟 |
| 11 | Container with Most Water | Golang | Medium | 🔥 |
| 75 | Sort Colors | Golang | Medium | 🔥 |
| 977 | Squares of a Sorted Array | Golang | Easy | 🌟 |
| 剑指Offer 21 | 调整数组顺序使奇数位于偶数前面 | Golang | Easy | 🌟🌟 |
| 剑指Offer 57 | 和为s的两个数字 | Golang | Easy | 🌟🌟 |
| 剑指Offer 57 II | 和为s的连续正数序列 | Golang | Easy | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 209 | Minimum Size Subarray Sum | Golang | Medium | 🌟 |
| 3 | Longest Substring Without Repeating Characters | Golang | Medium | 🔥 |
| 76 | Minimum Window Substring | Golang | Hard | 🔥 |
| 239 | Sliding Window Maximum | Golang | Hard | 🔥 |
| 438 | Find All Anagrams In a String | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 200 | Number of Islands | Golang | Medium | 🔥 |
| 695 | Max Area of Island | Golang | Medium | 🌟🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 22 | Generate Parentheses | Golang | Medium | 🔥 |
| --- | --- | --- | --- | --- |
| 77 | Combinations | Golang | Medium | 🌟🌟 |
| 216 | Combination-sum-iii | Golang | Medium | 🌟🌟 |
| 17 | Letter Combinations of a Phone Number | Golang | Medium | 🔥 |
| 39 | Combination-sum | Golang | Medium | 🔥 |
| 40 | Combination-sum-ii | Golang | Medium | 🌟🌟 |
| --- | --- | --- | --- | --- |
| 131 | Palindrome Partitioning | Golang | Medium | 🔥 |
| 93 | Restore Ip Addresses | Golang | Medium | 🔥 |
| --- | --- | --- | --- | --- |
| 78 | Subsets | Golang | Medium | 🔥 |
| 90 | Subsets II | Golang | Medium | 🔥 |
| 491 | Increasing Subsequences | Golang | Medium | 🌟🌟🌟 |
| --- | --- | --- | --- | --- |
| 46 | Permutations | Golang | Medium | 🔥 |
| 47 | Permutations II | Golang | Medium | 🔥 |
| 剑指Offer 38 | 字符串的排列 | Golang | Medium | 🔥 |
| --- | --- | --- | --- | --- |
| 51 | N Queens | Golang | Hard | 🔥 |
| 79 | Word Search | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 455 | Assign Cookies | Golang | Easy | |
| 376 | Wiggle Subsequence | Golang | Medium | 🌟🌟 |
| 122 | Best Time to Buy and Sell Stock II | Golang | Easy | 🔥 |
| 55 | Jump Game | Golang | Easy | 🔥 |
| 45 | Jump Game II | Golang | Medium | 🔥 |
| 134 | Gas Station | Golang | Medium | 🔥 |
| 56 | Merge Intervals | Golang | Medium | 🔥 |
| 406 | Queue Reconstruction by Height | Golang | Medium | 🔥 |
| 738 | Monotone Increasing Digits | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 509 | Fibonacci Number | Golang | Easy | 🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 70 | Climbing Stairs | Golang | Easy | 🌟🌟 |
| 746 | Min Cost Climbing Stairs | Golang | Easy | 🌟🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 62 | Unique Paths | Golang | Medium | 🔥 |
| 63 | Unique Paths II | Golang | Medium | 🌟🌟 |
| 64 | Minimum Path Sum | Golang | Medium | 🔥 |
| 剑指Offer 47 | 礼物的最大价值 | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 343 | Integer Break | Golang | Medium | 🌟🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 96 | Unique Binary Search Trees | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 416 | Partition Equal Subset Sum | Golang | Medium | 🔥 |
| 1049 | Last Stone Weight II | Golang | Medium | 🌟🌟 |
| 494 | Target Sum | Golang | Medium | 🔥 |
| 474 | Ones and Zeroes | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 518 | Coin Change 2 | Golang | Medium | 🔥 |
| 377 | Combination Sum IV | Golang | Medium | 🔥 |
| 322 | Coin Change | Golang | Medium | 🔥 |
| 279 | Perfect Squares | Golang | Medium | 🔥 |
| 139 | Word Break | Golang | Medium | 🔥 |
| 70 | Climbing Stairs | Golang | Easy | 🌟🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 198 | House Robber | Golang | Medium | 🔥 |
| 213 | House Robber II | Golang | Medium | 🔥 |
| 337 | House Robber III | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 121 | Best Time to Buy and Sell Stock | Golang | Easy | 🔥 |
| 122 | Best Time to Buy and Sell Stock II | Golang | Easy | 🔥 |
| 123 | Best Time to Buy and Sell Stock III | Golang | Hard | 🔥 |
| 188 | Best Time to Buy and Sell Stock IV | Golang | Hard | 🔥 |
| 309 | Best Time to Buy and Sell Stock with Cooldown | Golang | Medium | 🔥 |
| 714 | Best Time to Buy and Sell Stock with Transaction Fee | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 300 | Longest Increasing Subsequence | Golang | Medium | 🔥 |
| 674 | Longest Continuous Increasing Subsequence | Golang | Easy | 🔥 |
| 718 | Maximum Length of Repeated Subarray | Golang | Medium | 🔥 |
| 1143 | Longest Common Subsequence | Golang | Medium | 🔥 |
| 1035 | Uncrossed Line | Golang | Medium | 🔥 |
| 53 | Maximum Subarray | Golang | Easy | 🌟🌟 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 392 | Is Subsequence | Golang | Easy | 🌟🌟 |
| 115 | Distinct Subsequences | Golang | Hard | 🔥 |
| 583 | Delete Operation for Two Strings | Golang | Hard | 🔥 |
| 72 | Edit Distance | Golang | Hard | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 647 | Palindromic Substrings | Golang | Medium | 🔥 |
| 516 | Longest Palindromic Subsequence | Golang | Medium | 🔥 |
| 5 | Longest Palindromic Substring | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 91 | Decode Ways | Golang | Medium | 🌟🌟 |
| 120 | Triangle | Golang | Medium | 🔥 |
| 152 | Maximum Product Subarray | Golang | Medium | 🔥 |
| 221 | Maximal Square | Golang | Medium | 🔥 |
| 338 | Counting Bits | Golang | Medium | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 739 | Daily Temperatures | Golang | Medium | 🔥 |
| 496 | Next Greater Element I | Golang | Easy | 🔥 |
| 503 | Next Greater Element II | Golang | Medium | 🌟🌟 |
| 42 | Trapping Rain Water | Golang | Hard | 🔥 |
| 84 | Largest Rectangle in Histogram | Golang | Hard | 🔥 |
| 85 | Maximal Rectangle | Golang | Hard | 🔥 |
| # | Title | Solution | Difficulty | Importantly |
|---|---|---|---|---|
| 215 | Kth Largest Element in an Array | Golang | Medium | 🔥 |
| 263 | Ugly Number | Golang | Easy | 🌟🌟 |
| 264 | Ugly Number II | Golang | Medium | 🌟 |
| 169 | Majority Element | Golang | Easy | 🔥 |