public void SolveGuessing(SudokuModel sudokuModel)
{
SolveLogical(sudokuModel);
SudokuBackupModel backup = new SudokuBackupModel
{
BackupCells = SubComponents.CopyArray(sudokuModel.Cells)
};
while (!SubComponents.CheckIfSolved(sudokuModel.Cells))
{
while (!SubComponents.CheckIfStuck(sudokuModel.Cells))
{
sudokuModel.Cells = SubComponents.GuessANumber(sudokuModel);
sudokuModel.Cells = SolveLogical(sudokuModel);
if (SubComponents.CheckIfSolved(sudokuModel.Cells))
{
return;
}
}
sudokuModel.Cells = SubComponents.CopyArray(backup.BackupCells);
}
}
public int[][] SolveLogical(SudokuModel sudokuModel)
{
var sudokuCells = sudokuModel.Cells;
bool placed;
do
{
placed = false;
for (int row = 0; row < 9; row++)
{
for (int col = 0; col < 9; col++)
{
if (sudokuCells[row][col] == 0)
{
List <int> numberlist = SubComponents.Numberchecker(sudokuCells, new Coordinate {
Row = row, Col = col
});
if (numberlist.Count == 1)
{
sudokuCells[row][col] = numberlist[0];
placed = true;
break;
}
}
}
if (placed)
{
break;
}
}
} while (placed);
return(sudokuCells);
}