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UID: 30956, Registered at 2026-3-20 23:42:02, last login at 2026-4-17 20:29:45, currently offline.

Solved 2 problems, RP: 2 (No. 16019)

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Bio

This person is lazy and didn't write anything.
Accepted Problems
P4492
P4493
Recent Activities

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

入门教程: 2