chy168

UID: 13985, 注册于 2 个月前, 最后登录于 2 个月前, 目前离线.

解决了 2 道题目，RP: 10 (No. 9)

绑定手机号后才能显示个性签名。

P11501

P11502

This person is lazy and didn't join any contests or homework.

This person is lazy and didn't write any solutions.

2019: 2
Special Judge: 2
动态规划 DP: 1
树形 DP: 1
基环树: 1
网络流: 1