bool Application::valid(const Position& pos)
{
  int irow, icol;
  bool q_found;

  // Check if its on the grid //
  if (pos.getRow() >= 0 && pos.getRow() < ROWS &&
        pos.getColumn() >= 0 && pos.getColumn() < COLUMNS &&
        grid[pos.getRow()][pos.getColumn()] == CORRIDOR)
    {     // ---- PROBLEMS HERE ----- //
      // Check if there is another queen on this row //
    /*  for(irow = pos.getRow(), icol = 0; icol < COLUMNS; icol++)
      {
        if(icol == pos.getColumn()) // Exclude the queen we just placed
          icol++;
        if(grid[irow][icol] == PATH);
          return false;
      }

      // Check if there is another queen in this column //
      for(icol = pos.getColumn(), irow = 0; irow < ROWS; irow++)
      {
        if(irow == pos.getRow()) // Exclude queen we just placed
          irow++;
        if(grid[irow][icol] == PATH)
          return false;
      }
      //Check diagonally for other queens //
*//*      for()
      {
      }*/
    }

    return true;
}