Robot - JAVA

// Author : Saurav Kalsoor
// Robot - JAVA

import java.util.*;

public class Test {
    static Scanner sc = new Scanner(System.in);
    public static void main(String[] args) {
        int n = sc.nextInt();
        int x = sc.nextInt();
        int y = sc.nextInt();

        ArrayList<Integer> arr = new ArrayList<>();
        for(int i = 0;i < n; i++){
            arr.add(sc.nextInt());
        }
        robot(arr, x, y);
    }

    public static void robot(ArrayList<Integer> moves, int x, int y) {
        HashSet<String> set = new HashSet<>();
        set.add("0 0");

        int x_dir = 0, y_dir = 0, x_val = 0, y_val = 0;
        for(int i = 0;i < moves.size(); i++){
            switch(moves.get(i)){
                case 0:
                    x_dir = 0;
                    y_dir = 1;
                    break;
                case 2:
                    x_dir = 0;
                    y_dir = -1;
                    break;
                case 1:
                    x_dir = 1;
                    y_dir = 0;
                    break;
                case 3:
                    x_dir = -1;
                    y_dir = 0;
                    break;
            }
            x_val += x_dir;
            y_val += y_dir;
            if(set.contains(x_val + " " + y_val)){
                i--;
            }else{
                set.add(x_val + " " + y_val);
            }
        }

        System.out.println((x_val + x) + " " + (y_val + y));
    }

}