private bool ValueExistsInColumn(ISudokuPosition position, int value)
{
int squareSize = Puzzle.Size * Puzzle.Size;
ISudokuPosition currentPosition = new SudokuPosition();
currentPosition.ColumnNumber = position.ColumnNumber;
for (int i = 0; i < squareSize; i++)
{
currentPosition.RowNumber= i;
if (Puzzle.GetValue(currentPosition) == value)
{
return true;
}
}
return false;
}
private void InitializeValuesTable()
{
valuesTable = new Dictionary<ISudokuPosition, IValueCyclableCollection>();
int squareSize = Puzzle.Size * Puzzle.Size;
ISudokuPosition currentPosition;
// Create an entry for each position
for (int i = 0; i < squareSize; i++)
{
for (int j = 0; j < squareSize; j++)
{
currentPosition = new SudokuPosition();
currentPosition.RowNumber = i;
currentPosition.ColumnNumber = j;
valuesTable.Add(currentPosition, CreateValueCyclableCollection(currentPosition));
}
}
}
private bool ValueExistsInRegion(ISudokuPosition position, int value)
{
ISudokuRegion region = Puzzle.GetRegionByValuePosition(position);
ISudokuPosition currentPosition = new SudokuPosition();
for (int i = 0; i < region.Size; i++)
{
currentPosition.RowNumber = i;
for (int j = 0; j < region.Size; j++)
{
currentPosition.ColumnNumber = j;
if (region.GetValue(currentPosition) == value)
{
return true;
}
}
}
return false;
}