View Code of Problem 74

#include <stdio.h>
#include <stdlib.h>
#include <math.h>
int main()
{
    	int a;
  	scanf("%d",&a);
  	float x1,x2;
  	x1=1.0;
  	x2=(x1+a/x1)/2.0;
  	while(fabs(x1-x2)>=1e-5)
        {
        	x1=x2;
          	x2=(x1+a/x1)/2.0;
        }
  	printf("%.3f\n",x2);
    return 0;
}