[第三期活动] 在职刷题打卡，目标工作日一天2题，周末一天5题

# Day_24
Array
Wiggle Sort II
Wiggle Subsequence

# Day 7

* Rising Temperature
* Jewels and Stones
* Detect Capital

太怪了怎么还有Mysql的

#Day_14

分类： String
647.Palindromic Substring
151. Reverse Words in a String

# Day 6

* Reverse Substrings Between Each Pair of Parentheses
* Shortest Subarray with Sum at Least K

Stage II : 分类各个击破
day18-09/24-easy-medium能推出递推公式，hard不太能自己推出来
DP:
1. 85. Maximal Rectangle
2. 221. Maximal Square
3. 198. House Robber
4. 213. House Robber II
5. 174. Dungeon Game
6. 368. Largest Divisible Subset
7. 673. Number of Longest Increasing Subsequence
8. 256. Paint House
9. 84. Largest Rectangle in Histogram

day 19
Second Minimum Node In a Binary Tree
Valid Number 这题是真的难写啊= =，纯拿test case改代码

# Day_23
Array
Merge Sorted Array
Wiggle Sort

9/23
207. Course Schedule
636. Exclusive Time of Functions
10. Regular Expression Matching
301. Remove Invalid Parentheses
明天继续做做stack

Day1-（0923）
leetcode 595， 196， sql

Stage II : 分类各个击破
day17-09/23-今天没什么时间刷题，前几个dp状态装壹方城很好推，后面几个不太行。明白后很好做。今天还看了kmp的原理，后面很快就要开始string的很多题了。果然以前不想去碰的原理还是得去看啊
DP:
1. 64. Minimum Path Sum
2. 120. Triangle
3. 62. Unique Paths
4. 63. Unique Paths II
5. 97. Interleaving String
6. 72. Edit Distance
7. 115. Distinct Subsequences