幽默的旅人

UID: 53002, Registered at 2026-9-1 22:32:19, last login at 2026-9-3 21:33:51, last active at 2026-9-4 17:17:16.

Solved 2 problems, RP: 9 (No. 18167)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5337
P5339
Recent Activities

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

模拟: 1
BFS: 1