LQDTqbd8iD

UID: 43177, Registered at 2026-6-9 23:49:46, last login at 2026-6-10 1:29:03, currently offline.

Solved 2 problems, RP: 14 (No. 12931)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4982
P4983
Recent Activities

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

二分算法: 1
有序集合: 1