private bool SingleCandidatesInRow(int index)
{
IDictionary<int, CandidateHelper> unique = UniquePencilmarks(GetRow(index));
if(unique.Count == 0)
{
return false;
}
foreach (var item in unique)
{
int key = item.Key;
CandidateHelper value = unique[key];
AssignCell(index, value.Coordinates.X, key);
}
return true;
}
private static IDictionary<int, CandidateHelper> FilterUniques(IDictionary<int, CandidateHelper> c)
{
Dictionary<int, CandidateHelper> unique = new Dictionary<int, CandidateHelper>();
foreach (var kvp in c)
{
int key = kvp.Key;
CandidateHelper value = c[key];
if (value.Count == 1)
{
unique.Add(key, value);
}
}
return unique;
}
private bool SingleCandidatesInArea(int index)
{
IDictionary<int, CandidateHelper> unique = UniquePencilmarks(GetArea(index));
if (unique.Count == 0)
{
return false;
}
int deltaX;
int deltaY;
GetAreaCoordinates(index, out deltaX, out deltaY);
foreach (var item in unique)
{
int key = item.Key;
CandidateHelper value = unique[key];
AssignCell(deltaY + value.Coordinates.Y, deltaX + value.Coordinates.X, key);
}
return true;
}
internal CandidateHelper(CandidateHelper h)
: this(h.Count + 1, h.Coordinates.X, h.Coordinates.Y)
{
}