Laba part 2

import java.util.ArrayList;

public class Main {

    public static void main(String[] args) {
        int count = 6;

        int[][] arr,orr;

        arr = new int[][]{
                {2,3,0},
                {1,4,0},
                {1,0},
                {2,0},
                {6,0},
                {5,0},
        };

        orr = new int[][]{
                {1,2},
                {1,3},
                {1,4},
                {4,8},
                {8,7},
                {5,6},
        };

        System.out.println(" ");

        ArrayList<Integer> list = new ArrayList<Integer>();
        list.add(0,1);
        list.add(1,2);
        int n = 1;
        for (int j=0; j<orr.length; j++){
            if (list.indexOf(orr[j][0]) == -1){
                KS++;
                n++;
                list.add(n,0);
                n++;
                list.add(n,orr[j][0]);
                n++;
                list.add(n,orr[j][1]);
            }
            else if (list.indexOf(orr[j][1]) == -1){
                n++;
                list.add(n,orr[j][1]);
            }
        }
        System.out.println(list);
    }
        public static void EnteringArray(int count, int[][] arr){
            for (int i=0; i<count; i++){
                System.out.println(" ");
                for(int j=0; j<arr[i].length; j++){
                    System.out.print(arr[i][j]);
                }
            }
        }
    public static int KS = 1;
    }