UID: 6, 注册于 2026-1-6 8:01:59, 最后登录于 2026-6-5 18:59:32, 最后活动于 2026-6-1 9:35:38.
解决了 0 道题目，RP: 0 (No. ?)
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个人简介
用我一生，换你十年天真无邪
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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.