Leetcode

此页面是本人刷leetcode的记录。

WARNING

有些数据是之前刷的过，后来导出数据的，并不一定有题解文档

index	name	difficulty	solved	mark	comment
1	Two Sum	EASY	✓
7	Reverse Integer	MEDIUM	✓
9	Palindrome Number	EASY	✓
13	Roman to Integer	EASY	✓
14	Longest Common Prefix	EASY	✓
15	3Sum	MEDIUM	✓
20	Valid Parentheses	EASY	✓
21	Merge Two Sorted Lists	EASY	✓
26	Remove Duplicates from Sorted Array	EASY	✓
27	Remove Element	EASY	✓
28	Find the Index of the First Occurrence in a String	EASY	✓
35	Search Insert Position	EASY	✓
38	Count and Say	MEDIUM	✓
42	Trapping Rain Water	HARD
53	Maximum Subarray	MEDIUM	✓
58	Length of Last Word	EASY	✓
66	Plus One	EASY	✓
67	Add Binary	EASY	✓
69	Sqrt(x)	EASY	✓
70	Climbing Stairs	EASY	✓
83	Remove Duplicates from Sorted List	EASY	✓
88	Merge Sorted Array	EASY	✓
100	Same Tree	EASY	✓
101	Symmetric Tree	EASY	✓
104	Maximum Depth of Binary Tree	EASY	✓		深度搜索、光度搜索、树
107	Binary Tree Level Order Traversal II	MEDIUM	✓
118	Pascal's Triangle	EASY	✓
121	Best Time to Buy and Sell Stock	EASY	✓
122	Best Time to Buy and Sell Stock II	MEDIUM	✓
125	Valid Palindrome	EASY	✓
136	Single Number	EASY	✓
155	Min Stack	MEDIUM	✓
169	Majority Element	EASY	✓
171	Excel Sheet Column Number	EASY	✓
172	Factorial Trailing Zeroes	MEDIUM	✓
189	Rotate Array	MEDIUM	✓
230	Kth Smallest Element in a BST	MEDIUM			深度搜索、树
236	Lowest Common Ancestor of a Binary Tree	MEDIUM			深度搜索、树
402	Remove K Digits	MEDIUM	✓
446	Arithmetic Slices II - Subsequence	HARD			深度搜索、贪心、二分查找、回溯、动态规划、广度搜索、单调栈、链表、双指针、位运算、滑动窗口、排序、字符串处理
543	Diameter of Binary Tree	EASY			深度搜索、树
971	Flip Binary Tree To Match Preorder Traversal	MEDIUM			深度搜索、树