例子

UID: 2290, Registered at 2023-4-13 15:50:38, last login at 2023-4-17 10:48:00, currently offline.

Solved 2 problems, RP: 21.72 (No. 2662)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1190
P1196
Recent Activities

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

华为: 2