haven

UID: 1803, Registered at 2023-4-4 12:15:38, last login at 2023-4-4 12:16:40, currently offline.

Solved 1 problems, RP: 6 (No. 5063)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1139
Recent Activities

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

美团: 1