sincerely

UID: 1596, 注册于 2025-10-19 21:35:13, 最后登录于 2025-10-22 22:06:29, 最后活动于 2025-10-29 8:15:31.

解决了 1 道题目，RP: 4 (No. 340)

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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.