public PuzzleGrid(PuzzleSetup setup)
{
var cells = new List <Cell>();
for (byte i = 0; i < setup.Values.Length; i++)
{
cells.Add(new Cell(
idx: i,
rowIdx: (byte)(i / 9),
colIdx: (byte)(i % 9),
boxIdx: (byte)(((i % 9) / 3) + (3 * (i / 27))),
solution: setup.Values[i]));
}
for (byte i = 0; i < setup.Values.Length; i++)
{
var cell = cells[i];
cell.SetFriends(
rowFriends: CellIdxDictionaries.ROW_FRIENDS[i].Select(idx => cells[idx]).ToArray(),
colFriends: CellIdxDictionaries.COL_FRIENDS[i].Select(idx => cells[idx]).ToArray(),
boxFriends: CellIdxDictionaries.BOX_FRIENDS[i].Select(idx => cells[idx]).ToArray());
}
Cells = cells.ToArray();
Rows = CellIdxDictionaries.ROWS.Select(idxs => idxs.Select(idx => cells[idx]).ToArray()).ToArray();
Cols = CellIdxDictionaries.COLS.Select(idxs => idxs.Select(idx => cells[idx]).ToArray()).ToArray();
Boxes = CellIdxDictionaries.BOXES.Select(idxs => new Box(idxs.Select(idx => cells[idx]).ToArray())).ToArray();
AllUnits = Rows.Concat(Cols).Concat(Boxes.Select(b => b.Cells)).ToArray();
BoxRows = new BoxRow[]
{
new BoxRow(
rows: new [] { Rows[0], Rows[1], Rows[2] },
boxes: new [] { Boxes[0], Boxes[1], Boxes[2] }),
new BoxRow(
rows: new [] { Rows[3], Rows[4], Rows[5] },
boxes: new [] { Boxes[3], Boxes[4], Boxes[5] }),
new BoxRow(
rows: new [] { Rows[6], Rows[7], Rows[8] },
boxes: new [] { Boxes[6], Boxes[7], Boxes[8] }),
};
BoxCols = new BoxCol[]
{
new BoxCol(
cols: new [] { Cols[0], Cols[1], Cols[2] },
boxes: new [] { Boxes[0], Boxes[3], Boxes[6] }),
new BoxCol(
cols: new [] { Cols[3], Cols[4], Cols[5] },
boxes: new [] { Boxes[1], Boxes[4], Boxes[7] }),
new BoxCol(
cols: new [] { Cols[6], Cols[7], Cols[8] },
boxes: new [] { Boxes[2], Boxes[5], Boxes[8] }),
};
}
private static void Solve(PuzzleSetup puzzleSetup)
{
IncorrectGuesses = new Dictionary <int, Candidates>();
for (var i = 0; i < 81; i++)
{
IncorrectGuesses[i] = Candidates.None;
}
var puzzle = new PuzzleGrid(puzzleSetup);
foreach (var cell in puzzle.Cells)
{
cell.Initialize();
}
puzzle.Print();
bool solved;
var result = Solve(puzzle, out solved);
Console.WriteLine(solved ? "Solved!" : "Failed");
result.Print();
}
