UID: 225, Registered at 2024-3-22 15:29:04, last login at 2024-3-23 14:59:35, currently offline.
School : 国科英才科创学院
Solved 3 problems, RP: 16 (No. 1640)
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Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.