ROR-RCR
UID: 1760, 注册于 2025-11-21 17:44:22, 最后登录于 2025-11-21 17:45:20, 最后活动于 2025-11-21 21:35:45.
解决了 4 道题目，RP: 24 (No. 233)
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个人简介
该用户太懒，这里啥也没写 (´・ω・｀) -
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This person is lazy and didn't join any contests or homework. -
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This person is lazy and didn't write any solutions.