View Code of Problem 74

#include <stdio.h>
#include <stdlib.h>
#include<ctype.h>
#include<string.h>
#include<math.h>
int main()
{
	double x1 = 1.0, x2, a;
	scanf("%lf", &a);
	while (1)
	{

		x2 = (x1 + a / x1) / 2.0;
		if (x1 > x2)
		{
			if ((x1 - x2) < 0.00001)
				break;
		}
		else if ((x2 - x1) < 0.00001)
			break;

		x1 = x2;
	}
	printf("%.3lf", x1);
	return 0;
}