认真的帆船

UID: 50284, Registered at 2026-8-17 20:46:31, last login at 2026-8-25 22:15:49, currently offline.

Solved 2 problems, RP: 11 (No. 17952)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P14457
P14458
Recent Activities

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

模拟: 1
双指针: 1