View Code of Problem 48

#include <stdio.h>
#include <stdlib.h>
int main(int argc, char *argv[]) {
	int n,i;
	double sum=0,a=1,b=2,c;
	scanf("%d",&n);
	if(n>=1&&n<=10)
	{
		for(i=1;i<=n;i++)
		{
			sum+=b/a;
			c=a;
			a=b;
			b=c+b;	
		}
		printf("%.6lf",sum);
	}
	return 0;
}

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