[第五期活动] 在职刷题打卡，目标工作日一天2题，周末一天5题

[Day 10][Total Day 22] 2019/11/11，Topic：Permutation（Lintcode）
- 52. Next Permutation
- 190. Next Permutation II
- 197. Permutation Index
- 198. Permutation Index II
- 51. Previous Permutation
- 476. Stone Game
- 109. Triangle
- 630. Knight Shortest Path II

今天没有刷题，都在准备sd和ood
昨天的。。。
day 7
写3题
Add Two Numbers II
Divide Two Integers
Valid Parentheses
review1题
Sudoku Solver

# Day 8/8
- 721 account merge
- 489 robot room cleaner
- 1027 longest arithmetic sequence
-987 vertical order traversal of a binary tree
- 1066 campus bikes ii

day 6
842. Split Array into Fibonacci Sequence
934. Shortest Bridge

[Day 9][Total Day 21] 2019/11/10，Topic：DFS & Memoization（Lintcode）
- 582. Word Break II
- 683. Word Break III

# Day 7/7
- 31 next permutation
- 161 one edit distance
- 1252 cells with odd values in a matrix
- 1253 reconstruct a 2-row binary matrix
- 1254 number of closed islands

day 1:
Gray code: 89, 1238

[Day 8][Total Day 20] 2019/11/9，Topic：Data Structure（Lintcode）
- 1248. Count Number of Nice Subarrays（Leetcode）
- 109. Triangle
- 192. Wildcard Matching
- 154. Regular Expression Matching
- 107. Word Break

Day3 11.09
404. Sum of Left Leaves
437. Path Sum III
606. Construct String from Binary Tree

# Day 6/6
- 133 clone graph
- 304 range sum query 2D - immutable
- 42 merge intervals