沉稳的帆船

UID: 53470, Registered at 2026-9-3 15:16:17, last login at 2026-9-3 15:16:17, last active at just now.

Solved 2 problems, RP: 8 (No. 18671)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P5338
P5346
Recent Activities

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

模拟: 1