View Code of Problem 74

#include<stdio.h>
#include<math.h>
void main() 
{
	float a;
	scanf("%f", &a);
	float x1 = 1.0;
	float x2 = (x1 + a / x1) / 2.0;
	while (fabs(x2 - x1) >= 0.00001)
	{
		x1 = x2;
		x2 = (x1 + a / x1) / 2.0;
	}
	printf("%.3f", x2);
}