system

UID: 30570, Registered at 2026-3-18 20:17:25, last login at 2026-7-5 14:08:39, currently offline.

Solved 3 problems, RP: 19 (No. 12246)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P4969
P4982
P4983
Recent Activities

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

模拟: 1
二分算法: 1
有序集合: 1