[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 (9/24)

Flip game
Flip bits

Day_23 (9/23)

Validate IP address
Flip game II

09/25
8. String to Integer (atoi)
301. Remove Invalid Parentheses

# Day_25
Array
H-Index
H-Index II

Stage II : 分类各个击破
day19-09/25-最近状态开始有点不太好了。白天在公司大概只刷了两题.15 in total
DP:
1. 651. 4 Keys Keyboard
2. 276. Paint Fence
3. 10. Regular Expression Matching
4. 44. Wildcard Matching
array:
1. 287. Find the Duplicate Number
2. 283. Move Zeroes
3. 27. Remove Element
4. 54. Spiral Matrix
5. 59. Spiral Matrix II
6. 26. Remove Duplicates from Sorted Array
7. 80. Remove Duplicates from Sorted Array II
8. 128. Longest Consecutive Sequence
9. 161. One Edit Distance
10. 169. Majority Element
11. 229. Majority Element II

09/24
139. Word Break
140. Word Break II

Day_22 (9/22)

Unique email addresses
Can place flowers
Daily temperatures
Plus one Linked list
Paint house

day 20
电面了一个……小公司
然后lc刷了一题
Find the Celebrity

09/23
91. Decode Ways
639. Decode Ways II

9/24
71. Simplify Path
542. 01 Matrix
332. Reconstruct Itinerary
364. Nested List Weight Sum II
417. Pacific Atlantic Water Flow
337. House Robber III