View Code of Problem 74

#include<bits/stdc++.h>
using namespace std;
int main()
{
	double x,a,b;
	scanf("%lf",&x);
	a=x;
	b=(a+x/a)/2;
	while((a-b)>=0.00001) 
	{
		a=b;
		b=(a+x/a)/2;
	}
	printf("%.3lf\n",b);
	return 0;
}