View Code of Problem 118

#include<stdio.h>
#include<string.h>
#include<math.h>
#include<ctype.h>
int main()
{
	int n,k=1;
	double s;
	while(scanf("%d",&n)!=EOF)
	{
		if(n<=3) s=5;
		else if(n>3&&(n-3)%2==0)
		{
			s=5+1.5*(n-3);
		}
		else s=5.5+1.5*(n-3);
		printf("Case #%d: %.0f\n",k++,s);
	}
	return 0;
 }