Peter_Graffin

UID: 40427, Registered at 2026-5-13 3:04:31, last login at 2026-5-13 3:04:31, currently offline.

Solved 1 problems, RP: 12.2 (No. 12883)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4918
Recent Activities

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

思维: 1