UID: 5540, Registered at 2026-3-13 11:15:16, last login at 2026-4-18 10:41:14, currently offline.
School : 杭州市萧山区城东小学
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.