int[][] matrixTranspose(int[][] m) {
            try {
                if (m.length == 0) {
                    System.out.println("a");
                    return new int[][]{};
                } else {
                    int[][] result = new int[m.length][m.length];
                    for (int i = 0; i < m.length; i++) {
                        for (int j = 0; j < m.length; j++)
                            if (m[i].length == m.length)
                                result[i][j] = m[j][i];
                            else {
                                System.out.println("ААаа, не наебывай");
                                return new int[][]{};
                            }
                    }
                    return result;
                }
            } catch (NullPointerException e) {
                return new int[][]{};
            }
        }