psong

UID: 10665, Registered at 2024-8-2 22:15:19, last login at 2024-8-3 18:46:06, currently offline.

Solved 1 problems, RP: 3 (No. 17042)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1854
Recent Activities

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

oppo: 1