写不来签到题

UID: 7453, Registered at 2024-3-9 14:36:36, last login at 2024-3-9 14:36:36, currently offline.

Solved 1 problems, RP: 5 (No. 5429)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P1682
Recent Activities

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

美团: 1