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UID: 28652, Registered at 2026-3-1 14:00:01, last login at 2026-3-13 18:12:07, last active at 2026-3-14 14:08:41.

Solved 3 problems, RP: 3 (No. 12852)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4493
P4494
P4495
Recent Activities

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

入门教程: 3