R2009
UID: 9050, 注册于 2022-12-24 8:39:31, 最后登录于 2022-12-24 8:39:31, 目前离线.
解决了 2 道题目，RP: 11 (No. 932)
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个人简介
该用户太懒，这里啥也没写 (´・ω・｀) -
通过的题目
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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.