UID: 1821, Registered at 2025-2-21 13:49:08, last login at 2025-3-14 16:09:37, currently offline.
School : 国科英才科创学院
Solved 3 problems, RP: 17 (No. 1599)
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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.