z1z2z3

UID: 5630, Registered at 2023-9-2 17:32:13, last login at 2023-9-3 9:37:31, currently offline.

Solved 2 problems, RP: 6 (No. 4951)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1324
P1321
Recent Activities

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

天津大学: 2