LeetCode github集合，附CMU大神整理笔记

Github LeetCode集合

本人所有做过的题目都写在一个java项目中，同步到github中了，算是见证自己的进步。github目前同步的题目是2020-09-17日之后写的题。之前写过的题会陆续跟新到github中。

目前大概400个题目

Github 项目链接：https://github.com/sunliancheng/leetcode_github

附上一份优秀的教材整合：
这是卡内基梅隆(CMU)计算机硕士毕业生进了美国大厂的大神整理的：https://github.com/changgyhub/leetcode_101

心得

2020-12-12

最近重做了好多很早前刷过的题目，比较欣慰的是从能AC（耗时很多）到现在时间能 beat 95%的题目，同时思路比较清晰。感觉还是蛮有成就感的。

经不完全统计，我 leetcode 代码行数破一万行了。这是我的一小步，也是我的一大步！

已解题序号系列（9.17后写的题）

序号	题目
1	Two Sum
2	Add Two Numbers
3	Longest Substring Without Repeating Characters
4	Median Of Two Sorted Arrays
5	Longest Palindromic Substring
6	Zigzag Conversion
7	Reverse Integer
8	String To Integer
9	Palindrome Number
10	Regular Expression Matching
11	Container With Most Water
12	Integer To Roman
13	Roman To Integer
14	Longest Common Prefix
15	3 Sum
16	3 Sum Cloest
17	Letter Combinations Of A Phone Number
18	4 Sum
19	Remove Nth Node From End Of List
20	Valid Parentheses
21	Merge Two Sorted Lists
22	Generate Parentheses
23	Merge K Sorted Liksts
24	Swap Nodes In Pairs
25	Reverse Nodes In K Group
26	Remove Duplicates From Sorted Array
27	Remove Element
28	Implement StrStr
29	Divide Two Integers
30	Substring With Concatenation Of All Words
31	Next Permutaion
32	Longest Valid Parentheses
33	Search In Rotated Sorted Array
34	Find First And Last Position Of Element In Sorted Array
35	Search Insert Position
36	Valid Sudoku
37	Sudoku Solver
38	Count And Say
39	Combination Sum
40	Combination Sum2
41	First Missing Positive
42	Trapping Rain Water
43	Multiply Strings
44	Wildcard Matching
45	Jump Game2
46	Permutations
47	Permutations2
48	Rotate Image
49	Group Anagrams
50	Pow
51	N Queens
52	N Queens2
53	Maximum Subarray
54	Spiral Matrix
55	Jump Game
56	Merge Intervals
57	Insert Iterval
58	Length Of Last Word
59	Spiral Matrix2
60	Permutation Sequence
61	Rotate List
62	Unique Paths
63	Unique Paths2
64	Minimum Path Sum
65	Valid Number
66	Plus One
67	Add Binary
69	Sqrt
70	Climbing Stairs
71	Simplify Path
72	Edit Distance
73	Set Matrix Zeros
74	Search A 2D Matrix
75	Sort