UID: 3172, Registered at 2025-7-17 10:17:03, last login at 2026-4-21 19:43:10, currently offline.
School : 柯桥区实验小学
Solved 70 problems, RP: 188.1 (No. 471)
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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.