View Code of Problem 74

#include<stdio.h>
#include<math.h>
int main()
{
 int a;
 double x1,x2;
  scanf("%d",&a);
  x1=a;
  x2=1.0/2*(x1+a/x1);
   while(fabs(x2-x1)<0.00001)
   {
   x1=x2;
   x2=1.0/2*(x1+a/x1);
   }
  printf("%.3f",x2);
  return 0;
}