View Code of Problem 74

#include<stdio.h>
#include<math.h>
int main()
{
	double a,x,t;
	scanf("%lf",&a);
	x=a/2;
   do{
   	t=x;
   	x=(x+a/x)/2;
   }while(fabs(x-t)>=1e-5);
   printf("%.3lf",x);
}