public bool CheckCellValidity(Cell cell)
{
int count = 0;
// Row
foreach (var c in GetRowOfCell(cell))
{
if (c.Value == cell.Value) count++;
if (count > 1) return false;
}
// Column
count = 0;
foreach (var c in GetColumnOfCell(cell))
{
if (c.Value == cell.Value) count++;
if (count > 1) return false;
}
// Box
count = 0;
foreach (var c in cell.Box.Cells)
{
if (c.Value == cell.Value) count++;
if (count > 1) return false;
}
return true;
}
private void InitializeTable()
{
output = new int[27, 27];
table = new Table();
boxes = new List<Box>();
// for (int i = 0; i < 9; i++) boxes.Add(new Box());
for (int y = 0; y < 9; y++)
{
List<Cell> row = new List<Cell>();
Box tempBox = new Box();
for (int x = 0; x < 9; x++)
{
List<int> candidate = new List<int>();
Cell cell = new Cell(x, y, (int)((x + 1) * (y + 1)) % 9);
for (int i = 1; i < 10; i++) candidate.Add(i);
cell.Candidates = candidate;
row.Add(cell);
int boxIndex = (y / 3) + (x / 3) * 3;
tempBox.Cells.Add(cell);
}
foreach (var cell in row)
{
cell.Box = tempBox;
}
table.Cells.Add(row);
}
CreateOutput();
Iteraction();
CreateOutput();
}
/**
* Utility methods
*/
private IEnumerable<Cell> GetRowOfCell(Cell cell)
{
return GetRowByIndex(cell.Y);
}
private IEnumerable<Cell> GetColumnOfCell(Cell cell)
{
return GetColumnByIndex(cell.X);
}
public void MakeCandidatesForCell(Cell cell)
{
for (int value = 1; value <= 9; value++)
{
cell.Value = value; // testing
if (CheckCellValidity(cell)) cell.Candidates.Add(value);
}
if (cell.Candidates.Count() == 1)
{
cell.Value = cell.Candidates[0];
cell.Candidates.Sort();
}
else
{
cell.Value = 0;
}
}
public void Heuristic_Inner_BasicStep(List<Cell> cells, Cell source)
{
foreach (var cell in cells)
{
//TODO: mi van ha benne sincs?
cell.Candidates.Remove(source.Value);
}
}