幽默的松鼠

UID: 50027, Registered at 2026-8-15 20:53:57, last login at 2026-8-18 10:01:55, currently offline.

Solved 2 problems, RP: 18.6 (No. 14063)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4475
P5198
Recent Activities

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

Kmeans: 1
模拟: 1