UID: 2490, Registered at 2025-3-17 12:11:33, last login at 2025-7-27 19:17:57, currently offline.
School : 龙湾区第一小学
Solved 1 problems, RP: 0 (No. ?)
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Bio
This person is lazy and didn't write anything. -
Accepted Problems
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Recent Activities
This person is lazy and didn't join any contests or homework.