ykkk_

UID: 39798, Registered at 2026-5-8 18:40:46, last login at 2026-5-9 21:14:15, currently offline.

Solved 2 problems, RP: 8 (No. 15256)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4007
P4683
Recent Activities

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

排序算法: 1