123z

UID: 18489, Registered at 2025-5-9 14:40:35, last login at 2025-5-9 14:40:35, currently offline.

Solved 3 problems, RP: 5 (No. 15344)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3990
P3991
P3513
Recent Activities

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

暴力: 1