CodeFun8e4601b703

UID: 20308, Registered at 2025-8-20 12:43:11, last login at 2026-6-24 11:00:24, currently offline.

Solved 2 problems, RP: 7 (No. 18559)

Bio

This person is lazy and didn't write anything.
Accepted Problems
P3990
P3874
Recent Activities

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

数据结构: 1
并查集: 1