#include <stdio.h>
#include <math.h>

#define MIN(X,Y) ((X) < (Y) ? (X) : (Y))

/* Find the square root of a non-negative number */
int main() {
	int x = 25;
	double epsilon = 0.01;
	double step = epsilon*epsilon;
	int numGuesses = 0;
	double ans = 0.0;
	while (fabs(ans*ans - x) >= epsilon && ans <= x) {
		ans += step;
		numGuesses++;
	}
	printf("numGuesses = %d\n", numGuesses); 
	if (fabs(ans*ans - x) >= epsilon)
	    printf("Failed on square root of %d", x);
	else
	    printf("%.3lf is close to square root of %d", ans, x);

	
	return 0;
}