View Code of Problem 74

#include<stdio.h>
int main()
{
	float a,x1,x2;
  	scanf("%f",&a);
  	x2=a/2;
  	while(fabs(x1-x2)>=1e-5)
        {
          	x1=x2;
        	x2=0.5*(x1+a/x1);
        }
  	printf("%.3f",x2);
}