View Code of Problem 74

#include<stdio.h>
#include<math.h>


int main()
{
	int a;
	scanf("%d",&a);
	double x1=1.0;
	double x2=(x1+a/x1)/2;
	while(fabs(x1-x2)>=0.00001)
	{
		x1=x2;
		x2=(x1+a/x1)/2;
	}
	
	printf("%.3f\n",x2);
	return 0;
}