balooooon

UID: 5868, Registered at 2023-9-9 21:20:41, last login at 2023-9-15 1:24:46, currently offline.

Solved 1 problems, RP: 9.85 (No. 4083)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1486
Recent Activities

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

阿里系: 1