ya

UID: 27517, Registered at 2026-1-12 8:07:46, last login at 2026-1-16 14:51:31, currently offline.

Solved 1 problems, RP: 5 (No. 16362)

♀

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4538
Recent Activities

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

混淆矩阵: 1