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UID: 34874, Registered at 2026-4-10 17:04:53, last login at 2026-4-23 15:04:06, last active at 2026-4-23 17:17:36.

Solved 4 problems, RP: 4 (No. 14601)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4492
P4494
P4504
P4506
Recent Activities

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

入门教程: 2