yangyibo
UID: 19, 注册于 2025-9-22 15:12:04, 最后登录于 2026-9-5 15:03:16, 最后活动于 2026-9-5 17:13:18.
解决了 0 道题目，RP: 0 (No. ?)
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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.