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UID: 43083, Registered at 2026-6-8 22:56:59, last login at 2026-7-20 11:19:49, last active at 2026-7-22 21:18:29.

Solved 3 problems, RP: 15 (No. 13679)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4003
P4958
P5110
Recent Activities

This person is lazy and didn't join any contests or homework.

选择题: 1