C2023YangYF

UID: 25, 注册于 2025-8-16 11:14:13, 最后登录于 2025-11-22 14:30:34, 最后活动于 2025-11-22 20:58:45.

解决了 0 道题目，RP: 0 (No. ?)

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.