yangqifeng
UID: 1780, 注册于 2026-5-4 17:22:17, 最后登录于 2026-5-5 14:06:39, 最后活动于 2026-5-16 9:01:22.
解决了 0 道题目，RP: 4.5 (No. 1142)
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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. -
Stat
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