stu9

UID: 9, 注册于 2026-6-23 19:26:29, 最后登录于 2026-6-23 19:26:29, 最后活动于 2026-6-23 19:26:29.

解决了 1 道题目，RP: 10 (No. 1)

个人简介

该用户太懒，这里啥也没写 (´・ω・｀)
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.