题解 | #访友#
访友
http://www.nowcoder.com/practice/b8e21f5816874425836b7d32011f46b0
import java.util.*;
public class Main {
public static void main(String[] args) {
Scanner sc = new Scanner(System.in);
int x = sc.nextInt();
int cnt = x / 5;
if(x % 5 != 0) {
cnt++;
}
System.out.println(cnt);
}
}