UID: 1870, Registered at 2025-2-24 14:16:06, last login at 2025-5-17 13:43:25, currently offline.
School : 国科英才科创学院
Solved 20 problems, RP: 53 (No. 1124)
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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.