太棒了! 目前共计 271 篇日志。继续努力。

2020

CF1009G Allowed Letters

09-13

CF1373F. Network Coverage

09-13

CF1373G Pawns

09-13

CF1073G. Yet Another LCP Problem

09-12

CF1406E. Deleting Numbers

09-12

CF981F Addition on Segments

09-12

CF1320E Treeland and Viruses

09-11

CF708C Centroids

09-10

Codeforces Round 669 (Div. 2)

09-10

P6419 [COCI2014-2015#1] Kamp

09-10