UID: 840, Registered at 2024-9-27 23:31:42, last login at 2024-12-21 21:02:48, currently offline.
School : 国科英才科创学院
Solved 1 problems, RP: 4 (No. 2140)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.