fff77

UID: 40583, Registered at 2026-5-14 10:59:00, last login at 2026-5-14 10:59:00, currently offline.

Solved 2 problems, RP: 9 (No. 14822)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4917
P4918
Recent Activities

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

其他: 1
构造: 1
思维: 1