每天打卡，上岸那天就去shelter把那只可爱猫猫领回家

2020/11/04
336 Palindrome Pairs (Hard) 用hashing做的，trie结构需要学习
131 Palindrome Partitioning 这题实际上完全没有搞懂，backtracking和DFS的结合真的是老大难了，再加上DP
132 Palindrome Partitioning II (Hard) 看了评论里好巧妙的方法！虽然耳目一新，巧方法总担心自己做不出来
32 Longest Valid Parentheses  (Hard) 自己想的方法+答案里的三种方法都应该试一试 DP最容易理解
392 Is Subsequence 用two pointer写的，但是DP对于#72有这参考意义
Add Strings FB的add系列题
Valid Palindrome II
Fizz Buzz
Running Sum of 1d Array
Majority Element
Fibonacci Number
High Five

好可爱的猫猫哦

2020/11/05
301 Remove Invalid Parentheses (Hard) 真的好难……即使看了答案也是一知半解
115 Distinct Subsequences  (Hard) DP题
187 Repeated DNA Sequences 除了本身的用hashmap存10位string以外的两种进阶方法都没搞懂……
Unique Paths
Unique Paths II
Triangle
Find Pivot Index
Pairs of Songs With Total Durations Divisible by 60
Rectangle Overlap 题很简单 但是逻辑容易乱
Reverse String

2020/11/06
Remove All Adjacent Duplicates In String
Largest Number At Least Twice of Others
Count Largest Group
Array Partition I
Shuffle the Array
Island Perimeter
Longest Continuous Increasing Subsequence
Minimum Value to Get Positive Step by Step Sum
Guess Number Higher or Lower II
Perfect Squares
Word Break

2020/11/07
Burst Balloons (HARD!!!!) 好难好难的一道题 答案都看的一知半解！复习！！
Coin Change 经典中的经典
Backspace String Compare
Baseball Game
Find All Numbers Disappeared in an Array
Find All Duplicates in an Array
Squares of a Sorted Array
Sort Transformed Array
Non-decreasing Array
Contains Duplicate II

2020/11/08
256 Paint House 其实不难，但是DP题的难点永远是认出来是DP并且搞清思路
House Robber II
Maximum Product of Three Numbers
Subarray Product Less Than K
Two Sum Less Than K
Subarray Sum Equals K
Continuous Subarray Sum
Maximum Product of Two Elements in an Array
Sum of Digits in the Minimum Number
Flipping an Image

2020/11/09
Subarray Sums Divisible by K
Kth Missing Positive Number
Paint House II (Hard) 其实不算太难，只是还是DP的老问题要思路清晰
Minimum Path Sum
Decode Ways
Verifying an Alien Dictionary
K Closest Points to Origin
Min Cost Climbing Stairs
Reverse Words in a String III
Reverse String II

2020/11/10
Find Winner on a Tic Tac Toe Game
Kids With the Greatest Number of Candies
Replace All ?'s to Avoid Consecutive Repeating Characters
Maximum Number of Balloons
Valid Word Square
Toeplitz Matrix
Maximum Size Subarray Sum Equals k
Valid Word Abbreviation
Edit Distance（Hard）经典莱温斯坦距离！
Rearrange Spaces Between Words 虽然简单但是我写的好麻烦