yzr1999

UID: 4535, Registered at 2023-8-11 10:28:15, last login at 2024-4-16 17:59:24, currently offline.

Solved 1 problems, RP: 0 (No. ?)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P500
Recent Activities

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

入门教程: 1