C :

#include<stdio.h>
#include<math.h>
int main()
{
	int a, b, c;
	double res1, res2;
	scanf("%d%d%d", &a, &b, &c);
	res1 = ((-b) + sqrt(pow(b, 2) - (4 * a*c))) / ((2)*a);
	res2 = ((-b) - sqrt(pow(b, 2) - (4 * a*c))) / ((2)*a);
	if (sqrt(pow(b, 2) - (4 * a*c))==0)
		printf("%.3lf\n", res1);
	else if (sqrt(pow(b, 2) - (4 * a*c)) > 0)
		printf("%.3lf %.3lf\n", res1, res2);
	else
		printf("NOANSWER\n");
	return 0;
}