public void InnerShellBoxLineReduction(List<Cell> cells)
{
bool[] matchBool = new bool[9];
for (int i = 0; i < 9; i++) matchBool[i] = true;
List<Box> candPlace = new List<Box>();
for (int i = 0; i < 9; i++)
{
Box temp = new Box();
candPlace.Add(temp);
}
int[] candCount = new int[9];
foreach (var cell in cells)
if (cell.Value == 0)
foreach (var cand in cell.Candidates)
{
if (candCount[cand - 1] == 0)
{
candPlace[cand - 1] = cell.Box;
}
else
{
if (!candPlace[cand - 1].Equals(cell.Box)) matchBool[cand - 1] = false;
}
candCount[cand - 1]++;
}
for (int i = 0; i < 9; i++)
if (candCount[i] < 2) matchBool[i] = false;
for (int i = 0; i < 9; i++)
if (matchBool[i])
InnerCoreBoxLineReduction(candPlace[i].Cells, i + 1, cells);
}
public Cell(int x, int y, int value)
{
X = x;
Y = y;
Value = value;
Box = new Box();
candidates = new List<int>();
}
private void InnerPointingPair(List<Cell> cells, int a, Box except)
{
foreach (var cell in cells)
if (!cell.Box.Equals(except))
{
if (cell.Candidates.Count > 0 && cell.Candidates.Contains(a))
{
cell.RemoveCandidateIfExist(a);
cell.Candidates.Sort();
cell.Panel.Refresh();
isChanged = true;
}
else isChanged = false;
}
}
private List<Box> ParseBox(String box)
{
List<Box> boxes = new List<Box>();
for (int i = 0; i < 9; i++)
{
Box tempBox = new Box();
boxes.Add(tempBox);
}
for (int y = 0; y < 9; y++)
{
for (int x = 0; x < 9; x++)
{
int boxID;
if (int.TryParse(Convert.ToString(box[x + y * 9]), out boxID))
{
Cell cell = tableController.Table.Cells.ElementAt(y).ElementAt(x);
boxes[boxID - 1].Cells.Add(cell);
cell.Box = boxes[boxID - 1];
}
}
}
return boxes;
}