刷题打卡常记

今晚1h15min，
Majority Element II
Majority Element
Patching Array

Generate Parentheses未完待续，明天开始做树，加油加油加油！

今晚1h30min：
word search,
N-Queens 未完待续

昨天和今天主要是做树，用的都是recursion：
Binary Tree Maximum Path Sum
Count Univalue Subtrees
Largest BST Subtree
Validate Binary Search Tree
Lowest Common Ancestor of a Binary Tree
Path Sum II
N-Queens

接下来打算把这几题能用iteration做的重做，dfs 扫边模式。

Coin Change刷了一个多小时，看了答案才勉强给做出来这节奏真是要疯了

一千多題好難刷 時間跟乳溝一樣用擠的

Group Anagrams        （Time Limit Exceeded）to be continued
Find Peak Element
String to Integer (atoi)
First Unique Character in a String

Merge Two Sorted Lists
Partition Equal Subset Sum
Group Anagrams

今天玩了一个小时手机才刷题呜呜

Edit Distance       
Convert Sorted Array to Binary Search Tree
Top K Frequent Elements
Product of Array Except Self       
LRU Cache
All Paths From Source to Target

重温了top priority

Coin Change
Coin Change 2
Reverse Linked List II

dp真是个磨人的小妖精

下午过来snv图书馆刷题，
Decode String
Valid Anagram
Count Complete Tree Nodes       
Path Sum
Add Two Numbers
Maximum Depth of Binary Tree
Number of Islands
Daily Temperatures

Decode String还没写完一次次被不同case打脸，心好累，看了别人的答案，现在一点不想刷题了，想回家随便干点啥就不刷题今天天气真好