private void EliminateNakedPairFromOthersInBlock(int[,] sudokuMatrix, int givenRow, int givenCol)
{
if (!HasNakedPairInBlock(sudokuMatrix, givenRow, givenCol))
{
return;
}
var sudokuMap = _sudokuMapper.Find(givenRow, givenCol);
for (int row = sudokuMap.StartRow; row < sudokuMap.StartRow + 2; row++)
{
for (int col = sudokuMap.StartCol; col < sudokuMap.StartCol + 2; col++)
{
if (sudokuMatrix[row, col] != sudokuMatrix[givenRow, givenCol] && sudokuMatrix[row, col].ToString().Length > 1)
{
EliminateNakedPair(sudokuMatrix, sudokuMatrix[givenRow, givenCol], row, col);
}
}
}
}
private void EliminateNakedPairInBlock(int[,] board, int givenRow, int givenCol)
{
if (!hasNakedPairInBlock(board, givenRow, givenCol))
{
return;
}
var sudokuMap = _sudokuMapper.Find(givenRow, givenCol);
for (int row = sudokuMap.StartRow; row <= sudokuMap.StartRow + 2; row++)
{
for (int col = sudokuMap.StartCol; col <= sudokuMap.StartCol + 2; col++)
{
if (board[row, col].ToString().Length > 1 && board[row, col] != board[givenRow, givenCol])
{
EliminateNakedPair(board, board[givenRow, givenCol], row, col);
}
}
}
}
private void RemoveNakedPairFromBlock(int[,] sudokuBoard, int rowIndex, int colIndex)
{
if (!HasNakedPairInBlock(sudokuBoard, rowIndex, colIndex))
{
return;
}
var sudokuMap = _sudokuMapper.Find(rowIndex, colIndex);
for (int i = sudokuMap.StartRow; i <= sudokuMap.StartRow + 2; i++)
{
for (int j = sudokuMap.StartColumn; j <= sudokuMap.StartColumn + 2; j++)
{
if (sudokuBoard[i, j].ToString().Length > 1 && sudokuBoard[i, j] != sudokuBoard[rowIndex, colIndex])
{
RemoveNakedPair(sudokuBoard, sudokuBoard[rowIndex, colIndex], i, j);
}
}
}
}
private object GetPossibilitiesInBlock(int[,] sudokuBoard, int givenRow, int givenCol)
{
int[] possibilities = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var sudokuMap = _sudokuMapper.Find(givenRow, givenCol);
for (int row = sudokuMap.StartRow; row <= sudokuMap.StartRow + 2; row++)
{
for (int col = sudokuMap.StartCol; col <= sudokuMap.StartCol + 2; col++)
{
if (IsValidSingle(sudokuBoard[row, givenCol]))
{
possibilities[sudokuBoard[row, givenCol] - 1] = 0;
}
}
}
return(Convert.ToInt32(String.Join(string.Empty, possibilities.Select(p => p).Where(p => p != 0))));
}
private int GetPossibilityInBlock(int[,] sudokuBoard, int rowIndex, int colIndex)
{
int[] possibilities = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var sudokuMap = _sudokuMapper.Find(rowIndex, colIndex);
for (int i = sudokuMap.StartRow; i < sudokuMap.StartRow + 2; i++)
{
for (int j = sudokuMap.StartColumn; j < sudokuMap.StartColumn + 2; j++)
{
if (IsValidSingle(sudokuBoard[i, j]))
{
possibilities[sudokuBoard[i, j] - 1] = 0;
}
}
}
return(Convert.ToInt32(String.Join(string.Empty, possibilities.Select(p => p).Where(p => p != 0))));
}
public int GetPotentialsBlock(int[,] board, int givenRow, int givenCol)
{
int[] potentials = { 1, 2, 3, 4, 5, 6, 7, 8, 9 };
var sudokuMap = _sudokuMapper.Find(givenRow, givenCol);
for (int row = sudokuMap.StartRow; row <= sudokuMap.StartRow + 2; row++)
{
for (int col = sudokuMap.StartCol; col <= sudokuMap.StartCol + 2; col++)
{
if (isValidSingle(board[row, col]))
{
potentials[board[row, col] - 1] = 0;
}
}
}
return(Convert.ToInt32(String.Join(string.Empty, potentials.Select(p => p).Where(p => p != 0))));
}
