public Cell[] ColumnAt(int col)
{
if (col < 0 || col > TotalRows - 1)
return null;
Cell[] column = new Cell[TotalRows];
for (int i = 0; i < TotalRows; i++)
column[i] = Cells[i, col];
return column;
}
private bool FindLastOne(Puzzle puzzle, int r, int c, Cell[] searchMe)
{
var numDashes = searchMe.Where(cell => cell.Value == '-')
.Count();
if (numDashes == 1)
{
puzzle.Cells[r, c].Value = puzzle.CharacterSet.Except( searchMe.Select(cell => cell.Value) )
.Single();
return true;
}
return false;
}
public Cell[] RowAt(int r)
{
if (r< 0 || r > TotalRows - 1)
return null;
Cell[] row = new Cell[TotalRows];
for (int i = 0; i < TotalRows; i++)
row[i] = Cells[r, i];
return row;
}
private Cell[,] ConvertToCells(string[] rows)
{
Cell[,] cells = new Cell[rows.Length, rows.Length];
for (int i = 0; i < rows.Length; i++)
for (int j = 0; j < rows[i].Length; j++)
cells[i,j] = new Cell(rows[i][j], i, j);
return cells;
}