View Code of Problem 48

#include<stdio.h>
int main()
{
	double sum,c;
	int n,i;
	scanf("%d",&n);
	double a=2;
	double b=1;
	sum=0;
	for(i=1;i<=n;i++)
	{ 
	  c=a;
	  sum=sum+a/b;
	  a=a+b;
	  b=c;
		
	}
	printf("%.6lf",sum);
 }

Double click to view unformatted code.


Back to problem 48