public void SetCellValue(int row, int col, int value)
{
Cell activeCell = this.Cells.SingleOrDefault(cell => cell.Row == row && cell.Column == col);
if (activeCell == null)
{
throw new Exception("You shouldn't have done that, he's just a cell mmmhmmm.");
}
activeCell.Value = value;
// remove given value from possibilities for row
foreach (var rowCell in this.Cells.Where(cell => cell.Row == row && !cell.IsSolved))
{
rowCell.PossibleValues.Remove(value);
}
// remove given value from possibilities for column
foreach (var colCell in this.Cells.Where(cell => cell.Column == col && !cell.IsSolved))
{
colCell.PossibleValues.Remove(value);
}
// remove given value from possibilities for square
foreach (var squareCell in this.Cells.Where(cell => cell.Square == activeCell.Square && !cell.IsSolved))
{
squareCell.PossibleValues.Remove(value);
}
if (this.solving)
{
// solve any others that only have one possibility
LogicalSolver.SetCellValueForNakedSingles(this);
}
}
public int[][] Solve(int[][] sudoku)
{
LogicalSolver solver = new LogicalSolver(sudoku);
solver.Solve();
Debug.Assert(solver.IsCorrect());
return(solver.ExportSolution());
}
public void SolvePuzzle()
{
this.solving = true;
if (!this.BruteForceSolve)
{
LogicalSolver.Solve(this);
// not solved, do we fall back?
Debugger.Break();
}
else
{
LogicalSolver.SetCellValueForNakedSingles(this);
this.Solved = BruteForceSolver.Solve(this);
if (!this.Solved)
{
Debugger.Break();
}
}
}
public HiddenSubsetTechnique(LogicalSolver logicalSolver) : base(logicalSolver)
{
}
public NakedSubsetTechnique(LogicalSolver logicalSolver) : base(logicalSolver)
{
}
public TwoDirectionTechnique(LogicalSolver logicalSolver) : base(logicalSolver)
{
}
public SolverTechnique(LogicalSolver logicalSolver)
{
LogicalSolver = logicalSolver;
}
public SingleOptionTechnique(LogicalSolver logicalSolver) : base(logicalSolver)
{
}
public SquareRowInteractionTechnique(LogicalSolver logicalSolver) : base(logicalSolver)
{
}
