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UID: 37194, Registered at 2026-4-21 11:08:05, last login at 2026-6-3 22:20:38, last active at 2026-6-3 22:20:38.

Solved 3 problems, RP: 7 (No. 15206)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4492
P4495
P4780
Recent Activities

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

入门教程: 2