Contest1184/E.java

import java.util.Scanner;

public class E {
    public static void main(String[] args) {
        Scanner cin = new Scanner(System.in);
        double a = cin.nextDouble();
        double b = cin.nextDouble();
        double c = cin.nextDouble();
        double dt = b * b - 4 * a * c;
        if (dt < 0) {
            System.out.println("no answer");
        } else if (dt == 0) {
            System.out.println(String.format("%.4f", (-b) / (2 * a)));
        } else {
            double x1 = (-b - Math.sqrt(dt)) / (2 * a);
            double x2 = (-b + Math.sqrt(dt)) / (2 * a);
            System.out.println(String.format("%.4f %.4f", x1, x2));
        }
    }
}