Us5pQcddfq

UID: 36025, Registered at 2026-4-15 16:14:17, last login at 2026-7-15 10:17:09, currently offline.

Solved 2 problems, RP: 10 (No. 15824)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4719
P4720
Recent Activities

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

模拟: 1
数据结构: 1
并查集: 1