UID: 1772, Registered at 2025-1-16 15:59:40, last login at 2025-1-18 10:44:27, currently offline.
School : 国科英才科创学院
Solved 8 problems, RP: 28 (No. 1375)
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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.