Aug 22

斜率优化DP 笔记

Aug 21

Codeforces Round 816 (Div. 2)

Aug 19

Codeforces Round 815 (Div. 2)

Aug 14

Codeforces Round 813 (Div. 2)

Aug 10

线段树建边

Aug 10

分层图dp & 拆点连边

Aug 7

Codeforces Round 812 (Div. 2)