Matthew

UID: 79, 注册于 2025-12-20 15:07:34, 最后登录于 2026-1-31 14:24:16, 最后活动于 2026-1-22 23:32:21.

解决了 1 道题目，RP: 10.5 (No. 17)

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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.