HomeWork3

TrianglePoint.java

import java.util.Scanner;

/**
 *
 * @author kamaz
 */
public class Main {
    
    public static void main(String [] args) {        
        Scanner sc = new Scanner(System.in); // решение второго задания второго уровня
        
        int xA = 0;
        int yA = 0;
        int xB = 4;
        int yB = 4;
        int xC = 6;
        int yC = 1;
        
        int vectorAB = (int) Math.sqrt(Math.pow((xB - xA), 2) + Math.pow((yB - yA), 2));
        int vectorAC = (int) Math.sqrt(Math.pow((xC - xA), 2) + Math.pow((yC - yA), 2));
        int vectorBC = (int) Math.sqrt(Math.pow((xC - xB), 2) + Math.pow((yC - yB), 2));
        
        System.out.println("Enter xD");
        int xD = sc.nextInt();
        System.out.println("Enter yD");
        int yD = sc.nextInt();
        
        int vectorD = (int) Math.sqrt(Math.pow(xD, 2) + Math.pow(yD, 2));
        
        
        if ((vectorD <= vectorAB) || (vectorD <= vectorAC) || (vectorD <= vectorBC)) {
            System.out.println("Ok");
        }
        else {
            System.out.println("Poorly");
        }
    }
}