XZS2015

UID: 660, 注册于 2026-7-3 14:01:12, 最后登录于 2026-9-5 16:40:24, 最后活动于 2026-9-5 18:12:42.

解决了 3 道题目，RP: 12 (No. 332)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
C20501
C20502
C20503
最近活动

This person is lazy and didn't join any contests or homework.
最近编写的题解

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