许先生

UID: 301, Registered at 2022-2-28 12:32:39, last login at 2022-2-28 12:33:54, currently offline.

Solved 2 problems, RP: 9 (No. 989)

Bio

This person is lazy and didn't write anything.
Accepted Problems
E917
E918
Recent Activities

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

This person is lazy and didn't write any solutions.

数据结构: 2
并查集: 2
并查集数据结构: 2