View Code of Problem 71

#include<stdio.h>
#include <string.h>
void main()
{
int t,n=1,m=2,i,temp;
double sum=0;
scanf("%d",&t);
for(i=0;i<t;i++)
{
	sum+=(m*1.0)/n;
	temp=m;
	m=n+m;
	n=temp;
}
printf("%.2lf",sum);
}

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