UID: 1815, Registered at 2025-2-21 13:49:07, last login at 2025-2-28 17:18:02, currently offline.
School : 国科英才科创学院
Solved 2 problems, RP: 13 (No. 1838)
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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.