我只会写签到题啊

UID: 3723, Registered at 2023-6-4 7:18:54, last login at 2023-6-4 21:00:12, currently offline.

Solved 1 problems, RP: 3 (No. 6272)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1018
Recent Activities

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

蚂蚁: 1