<qiyuangong>766_Toeplitz_Matrix_1.java
public boolean isToeplitzMatrix(int[][] matrix) {
        for (int r = 1; r < matrix.length; ++r)
            for (int c = 1; c < matrix[0].length; ++c)
                if (matrix[r-1][c-1] != matrix[r][c])
                    return false;
        return true;
    }
public boolean var_0 ( int [ ] [ ] var_1 ) {
  for ( int var_3 = 1 ;
  var_3 < var_1 . length ;
  ++ var_3 ) for ( int var_5 = 1 ;
  var_5 < var_1 [ 0 ] . length ;
  ++ var_5 ) if ( var_1 [ var_3 - 1 ] [ var_5 - 1 ] != var_1 [ var_3 ] [ var_5 ] ) return false ;
  return true ;
}
