居歆然

UID: 2363, 注册于 2025-3-28 14:09:28, 最后登录于 2025-4-24 13:36:09, 最后活动于 2025-4-24 14:00:58.

解决了 3 道题目，RP: 4 (No. 1912)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
通过的题目
Y1000
Y1001
Y1002
最近活动

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