Contest Detail - Hydro

Done OI Start at: 2026-7-22 8:15 3.5 hour(s) Host:

bellala 15

使用标准输入输出。不用写文件输入输出。

Status: Done
Rule: OI
Problem: 4
Start at: 2026-7-22 8:15
End at: 2026-7-22 11:45
Duration: 3.5 hour(s)
Host: bellala
Partic.: 15