细心的相机

UID: 53643, Registered at 2026-9-3 21:47:05, last login at 2026-9-4 16:05:49, last active at just now.

Solved 3 problems, RP: 12.5 (No. 17443)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5339
P5340
P5427
Recent Activities

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

BFS: 2
其他: 1
构造: 1