View Code of Problem 74

#include<stdio.h>
#include<math.h>
main(){
	double a,b[1000];
	int i;
	scanf("%lf",&a);
	b[0]=a;
	for(i=0;i<1000;i++){
		b[i+1]=0.5*(b[i]+a/b[i]);
		if(fabs(b[i+1]-b[i])<0.00001)
			break;
	}
	printf("%.3lf",b[i+1]);
}