ljun20160606 / leetcode

Leetcode by Golang

Leetcode 的 Golang 解法 😋

🔥 Algorithms | ✨ Other

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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

从Release中下载对应系统的命令行工具

Pull 抓取题目

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

// 根据模版文件更新readme
$ leetcode-cli update readme