2023普及组模拟赛1

Done OI Start at: 2023-9-29 18:00 3.5 hour(s) Host: 3

必须在每题代码中写上这两句代码并注释掉

//freopen("文件名.in", "r", stdin);

//freopen("文件名.out", "w", stdout);

例如: freopen("battle.in", "r", stdin);

freopen("battle.out", "w", stdout);

The contest is a flexible time contest. You need to complete the contest within a specified time after you attended.

Status
Done
Rule
OI
Problem
4
Start at
2023-9-29 18:00
End at
2023-9-30 18:00
Duration
3.5 hour(s)
Host
Partic.
3