刷題打卡帖！！

每天至少7个Leetcode新题，旧题/其他题 2个算一个。

除了LEETCODE 还有其他刷题网站吗？

重新扭亮桌上的灯.
Leetcode 30 Regular Expression Matching
codeforces E098-E Two Editorials

2020/11/27
Acwing 135 最大子序和
209. Minimum Size Subarray Sum
76. Minimum Window Substring
946 Validate Stack Sequences
1438 Longest Continuous Subarray With Absolute Diff Less Than or Equal to Limit
846. Hand of Straights

2020/11/28
Leetcode 528. Random Pick with Weight
Leetcode 1425. Constrained Subsequence Sum

2020/12/11
Leetcode 068. Unique Paths
Leetcode 685. Redundant Connection II
Leetcode 126. Word Ladder II
Leetcode 032. Longest Valid Parentheses
Acwing 91. 最短Hamilton路径

2020/12/12
Leetcode 552. Student Attendance Record II
Leetcode 1423. Maximum Points You Can Obtain from Cards
Leetcode 890. Find and Replace Pattern
Leetcode 1277. Count Square Submatrices with All Ones
Acwing 849. Dijkstra求最短路 I*

2020/12/13
Leetcode 239. Sliding Window Maximum
Leetcode 140. Word Break II