private void OcupyPosition(int row, int col)
{
AttackedCols.Add(col);
AttackedLeftDiagonals.Add(col - row);
AttackedRightDiagonals.Add(col + row);
Positions[row, col] = true;
}
private void FreePosition(int row, int col)
{
Positions[row, col] = false;
AttackedCols.Remove(col);
AttackedLeftDiagonals.Remove(col - row);
AttackedRightDiagonals.Remove(col + row);
}
private bool PositionIsFree(int row, int col)
{
if (AttackedCols.Contains(col))
{
return(false);
}
if (AttackedLeftDiagonals.Contains(col - row) || AttackedRightDiagonals.Contains(col + row))
{
return(false);
}
return(true);
}