UID: 5292, Registered at 2026-2-9 12:58:29, last login at 2026-6-13 16:11:51, currently offline.
School : 桐屿小学
Solved 56 problems, RP: 181.27 (No. 559)
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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.