爱笑的水手5556

UID: 53563, Registered at 2026-9-3 18:55:28, last login at 2026-9-3 19:08:38, currently offline.

Solved 2 problems, RP: 9 (No. 20103)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5339
P5340
Recent Activities

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

BFS: 1
其他: 1
构造: 1