@Override
    public void wypiszDrzewo() {
        int p = 0;
        while (Math.pow(2, p) <= tab.length) {
            p++;
        }
        p--;
        for (int i = 0; i < p + 1; i++) {
            int k = p - i;
            if (k != 0) {
                for (int b = 0; b <= Math.pow(2, k) - 2; b++) {
                    System.out.print("   ");
                }

                //System.out.print("    ");
            }

            //System.out.print("   ");
            for (int j = (int) Math.pow(2, i) - 1; j < (int) Math.pow(2, i + 1) - 1; j++) {
                if (j < tab.length) {
                    if (tab[j] < 10) {
                        System.out.print(tab[j] + " ");
                    } else {
                        System.out.print(tab[j]);
                    }
                    for (int m = 0; m < Math.pow(2, p - i + 1); m++) {
                        System.out.print("  ");
                    }
                    for (int b = 0; b <= Math.pow(2, k) - 2; b++) {
                        System.out.print("  ");
                    }

                }
            }
            System.out.println("");
        }
    }