Leetcode 的 Golang 解法 😋

🔥 Algorithms | ✨ Other

Algorithms

# Title Topics Difficulty
1 Two Sum Array, Hash Table Easy
2 Add Two Numbers Linked List, Math Medium
3 Longest Substring Without Repeating Characters Hash Table, Two Pointers, String Medium
4 Median of Two Sorted Arrays Array, Binary Search, Divide and Conquer Hard
5 Longest Palindromic Substring String, Dynamic Programming Medium
6 ZigZag Conversion String Medium
7 Reverse Integer Math Easy
8 String to Integer (atoi) Math, String Medium
9 Palindrome Number Math Easy
10 Regular Expression Matching String, Dynamic Programming, Backtracking Hard
11 Container With Most Water Array, Two Pointers Medium
12 Integer to Roman Math, String Medium
13 Roman to Integer Math, String Easy
14 Longest Common Prefix String Easy
15 3Sum Array, Two Pointers Medium
16 3Sum Closest Array, Two Pointers Medium
17 Letter Combinations of a Phone Number String, Backtracking Medium
18 4Sum Array, Hash Table, Two Pointers Medium
19 Remove Nth Node From End of List Linked List, Two Pointers Medium
20 Valid Parentheses String, Stack Easy
21 Merge Two Sorted Lists Linked List Easy
22 Generate Parentheses String, Backtracking Medium
23 Merge k Sorted Lists Linked List, Divide and Conquer, Heap Hard
24 Swap Nodes in Pairs Linked List Medium
25 Reverse Nodes in k-Group Linked List Hard
26 Remove Duplicates from Sorted Array Array, Two Pointers Easy
27 Remove Element Array, Two Pointers Easy
28 Implement strStr() Two Pointers, String Easy
29 Divide Two Integers Math, Binary Search Medium
30 Substring with Concatenation of All Words Hash Table, Two Pointers, String Hard
31 Next Permutation Array Medium
32 Longest Valid Parentheses String, Dynamic Programming Hard
33 Search in Rotated Sorted Array Array, Binary Search Medium
34 Search for a Range Array, Binary Search Medium
35 Search Insert Position Array, Binary Search Easy
38 Count and Say String Easy
39 Combination Sum Array, Backtracking Medium
40 Combination Sum II Array, Backtracking Medium
44 Wildcard Matching String, Dynamic Programming, Backtracking, Greedy Hard
46 Permutations Backtracking Medium
48 Rotate Image Array Medium
49 Group Anagrams Hash Table, String Medium
53 Maximum Subarray Array, Divide and Conquer, Dynamic Programming Easy
56 Merge Intervals Array, Sort Medium
57 Insert Interval Array, Sort Hard
58 Length of Last Word String Easy
61 Rotate List Linked List, Two Pointers Medium
62 Unique Paths Array, Dynamic Programming Medium
63 Unique Paths II Array, Dynamic Programming Medium
64 Minimum Path Sum Array, Dynamic Programming Medium
67 Add Binary Math, String Easy
69 Sqrt(x) Math, Binary Search Easy
70 Climbing Stairs Dynamic Programming Easy
71 Simplify Path String, Stack Medium
72 Edit Distance String, Dynamic Programming Hard
78 Subsets Array, Backtracking, Bit Manipulation Medium
81 Search in Rotated Sorted Array II Array, Binary Search Medium
83 Remove Duplicates from Sorted List Linked List Easy
84 Largest Rectangle in Histogram Array, Stack Hard
85 Maximal Rectangle Array, Hash Table, Dynamic Programming, Stack Hard
88 Merge Sorted Array Array, Two Pointers Easy
91 Decode Ways String, Dynamic Programming Medium
94 Binary Tree Inorder Traversal Hash Table, Stack, Tree Medium
96 Unique Binary Search Trees Dynamic Programming, Tree Medium
100 Same Tree Tree, Depth-first Search Easy
101 Symmetric Tree Tree, Depth-first Search, Breadth-first Search Easy
102 Binary Tree Level Order Traversal Tree, Breadth-first Search Medium
103 Binary Tree Zigzag Level Order Traversal Stack, Tree, Breadth-first Search Medium
104 Maximum Depth of Binary Tree Tree, Depth-first Search Easy
107 Binary Tree Level Order Traversal II Tree, Breadth-first Search Easy
108 Convert Sorted Array to Binary Search Tree Tree, Depth-first Search Easy
110 Balanced Binary Tree Tree, Depth-first Search Easy
111 Minimum Depth of Binary Tree Tree, Depth-first Search, Breadth-first Search Easy
112 Path Sum Tree, Depth-first Search Easy
118 Pascal’s Triangle Array Easy
119 Pascal’s Triangle II Array Easy
121 Best Time to Buy and Sell Stock Array, Dynamic Programming Easy
122 Best Time to Buy and Sell Stock II Array, Greedy Easy
125 Valid Palindrome Two Pointers, String Easy
130 Surrounded Regions Depth-first Search, Breadth-first Search, Union Find Medium
136 Single Number Hash Table, Bit Manipulation Easy
141 Linked List Cycle Linked List, Two Pointers Easy
142 Linked List Cycle II Linked List, Two Pointers Medium
144 Binary Tree Preorder Traversal Stack, Tree Medium
145 Binary Tree Postorder Traversal Stack, Tree Hard
146 LRU Cache Design Hard
155 Min Stack Stack, Design Easy
165 Compare Version Numbers String Medium
168 Excel Sheet Column Title Math Easy
189 Rotate Array Array Easy
199 Binary Tree Right Side View Tree, Depth-first Search, Breadth-first Search Medium
200 Number of Islands Depth-first Search, Breadth-first Search, Union Find Medium
203 Remove Linked List Elements Linked List Easy
204 Count Primes Hash Table, Math Easy
205 Isomorphic Strings Hash Table Easy
206 Reverse Linked List Linked List Easy
207 Course Schedule Depth-first Search, Breadth-first Search, Graph, Topological Sort Medium
217 Contains Duplicate Array, Hash Table Easy
219 Contains Duplicate II Array, Hash Table Easy
257 Binary Tree Paths Tree, Depth-first Search Easy
344 Reverse String Two Pointers, String Easy
347 Top K Frequent Elements Hash Table, Heap Medium
435 Non-overlapping Intervals Greedy Medium
436 Find Right Interval Binary Search Medium
547 Friend Circles Depth-first Search, Union Find Medium
695 Max Area of Island Array, Depth-first Search Easy
739 Daily Temperatures Hash Table, Stack Medium

Other

# Title Tag
  Ksum Array, Two Pointers
  0/1 knapsack Dynamic Programming
  Number of non-overlapping intervals Greedy, Array, Sort

Cmd

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用于自动生成需要写的题目并重新生成README.md

# 拉题目
$ leetcode-cli pull 1

Update 更新

Readme

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$ leetcode-cli update readme