UID: 5538, Registered at 2026-3-13 11:15:15, last login at 2026-4-18 9:52:52, currently offline.
School : 杭州市萧山区城东小学
Solved 92 problems, RP: 190.51 (No. 442)
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Bio
This person is lazy and didn't write anything. -
Recent Activities
This person is lazy and didn't join any contests or homework.