public SudokuSolver(SudokuGrid grid)
{
if (grid == null)
throw new ArgumentNullException();
_grid = new SudokuGrid(grid);
}
public Cell(SudokuGrid grid, int x, int y)
{
if (x < 0 || x > 8 || y < 0 || y > 8)
throw new IndexOutOfRangeException();
_grid = grid;
_x = x;
_y = y;
_value = null;
}
static void Main(string[] args)
{
int?[] grid = {5,3,null,null,7,null,null,null,null,
6, null,null,1,9,5,null,null,null,
null,9,8,null,null,null,null,6,null,
8,null,null,null,6,null,null,null,3,
4,null,null,8,null,3,null,null,1,
7,null,null,null,2,null,null,null,6,
null,6,null,null,null,null,2,8,null,
null,null,null,4,1,9,null,null,5,
null,null,null,null,8,null,null,7,9};
SudokuGrid grid2 = new SudokuGrid(grid);
SudokuSolver solver = new SudokuSolver(grid2);
Console.WriteLine(solver.solve());
Console.ReadLine();
}
public SudokuGrid(SudokuGrid grid)
{
if (grid == null)
throw new ArgumentNullException();
_cells = new List<Cell>(9 * 9);
for (int x = 0; x < 9; x++)
{
for (int y = 0; y < 9; y++)
{
Cell cell = new Cell(this, grid.Get(x, y).Value, x, y);
_cells.Add(cell);
}
}
}
public Cell(SudokuGrid grid, int? value, int x, int y)
: this(grid, x, y)
{
_value = value;
}