lys158131

UID: 5680, Registered at 2023-9-3 20:52:28, last login at 2023-12-11 10:26:20, currently offline.

Solved 1 problems, RP: 5.05 (No. 5441)

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