View Code of Problem 74

#include<stdio.h>
#include<math.h>

int main(){
	double a,x1,x2;
	scanf("%lf",&a);
	x1 = a/2;
	x2 = (x1+a/x1)/2;

	while(fabs(x1-x2)>=pow(10,-5)){
		x1 = x2;
		x2 = (x1+a/x1)/2;
	}
	
	printf("%.3f",x2);
	return 0;
}