csr

UID: 3772, Registered at 2023-6-10 21:42:05, last login at 2023-6-27 21:06:09, currently offline.

Solved 1 problems, RP: 4 (No. 9747)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1087
Recent Activities

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

美团: 1