kehan0123

UID: 5428, Registered at 2023-8-27 23:02:30, last login at 2023-8-27 23:02:30, currently offline.

Solved 1 problems, RP: 3.72 (No. 5993)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1159
Recent Activities

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

清华大学: 1