View Code of Problem 48

#include<stdio.h>
#include<math.h>
int main()
{
	double a[10],b[10];
	int n,i;
	double s=0;
	a[0]=2;a[1]=3;
	b[0]=1;b[1]=2;
	for(i=2;i<10;i++)
	{
		a[i]=a[i-1]+a[i-2];
		b[i]=b[i-1]+b[i-2];
	}
	scanf("%d",&n);
	for(i=0;i<n;i++)
	s=s+a[i]/b[i];
	printf("%.6f",s);
}