View Code of Problem 74

#include<stdio.h>
#include<math.h>
int main(){
	int i,n;
	double x1,x2;
	x1=1;
	scanf("%d",&n);
	do{
		x2=x1;
		x1=(x2+n/x2)/2;
	}while(fabs(x2-x1)>=0.00001);
	printf("%.3lf",x1);
	return 0;
}