1xx55 (1xx55)
UID: 17, Registered at 2023-12-6 12:32:45, last login at 2025-3-26 21:35:23, currently offline.
Solved 3 problems, RP: 13 (No. 420)
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Bio
是谁动了我的RP?
[ustcoj] 刷这种题好无聊的，不写了
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Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.