Feb 13

The Missing Semester 笔记

Nov 16

平衡树相关

Oct 11

二分图 & 网络流整理

Sep 19

CDQ分治笔记

Sep 12

点分治笔记

Sep 8

树链剖分笔记

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)