View Code of Problem 74

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