UID: 5539, Registered at 2026-3-13 11:15:16, last login at 2026-4-28 10:46:04, currently offline.
School : 杭州市萧山区城东小学
Solved 117 problems, RP: 199.74 (No. 358)
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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.
Problem Tags
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