private IEnumerable <(IEnumerable <Position> positions, IEnumerable <Value> values)> HiddenSubsetStep(
Grid input,
Dictionary <Value, IEnumerable <Position> > house,
Dictionary <Position, int> positions,
Candidates values,
int startingIndex,
int depth)
{
if (positions.Count > depth ||
values.Count() + house.Count - startingIndex <= depth ||
positions.Keys.Any(pos => (input.GetCandidates(pos) & values) == 0))
{
yield break;
}
if (values.Count() == depth)
{
if (positions.Keys.Any(pos => (input.GetCandidates(pos) & ~values) != 0))
{
yield return(positions.Keys.ToList(), values.ToValues());
}
yield break;
}
for (int i = startingIndex; i < house.Keys.Count; i++)
{
var value = house.Keys.ElementAt(i);
foreach (var pos in house[value])
{
if (!positions.ContainsKey(pos))
{
positions[pos] = i;
}
}
var valuesNew = values | value.AsCandidates();
foreach (var item in HiddenSubsetStep(input, house, positions, valuesNew, i + 1, depth))
{
yield return(item);
}
foreach (var pos in house[value])
{
if (positions[pos] == i)
{
positions.Remove(pos);
}
}
}
}
public int GetFirstCandidate()
{
if (Candidates.Count() > 0)
{
return(Candidates[0]);
}
else
{
return(-1);
}
}
public int GetCandidate(int index)
{
if (index >= 0 && index < Candidates.Count())
{
return(Candidates[index]);
}
else
{
return(-1);
}
}
public override string ToString()
{
var result = new StringBuilder();
result.Append("SudokuElement : [Number=");
result.Append(Number);
result.Append("; Candidates={");
if (Candidates.Count() > 0)
{
foreach (int num in Candidates)
{
result.Append(num);
result.Append(", ");
}
result.Remove(result.Length - 2, 2);
}
result.Append("}; FontColor=");
result.Append(FontColor.ToString());
result.Append("]");
return(result.ToString());
}
private void Vote()
{
var answer = MessageBox.Show(
Language.AreYouVote,
Language.Question,
MessageBoxButton.YesNo,
MessageBoxImage.Question);
if (answer == MessageBoxResult.No)
{
return;
}
int numberOfVotes = Candidates.Count(x => x.IsChecked);
int?candidateIndex = numberOfVotes == 1
? Candidates.IndexOf(Candidates.Single(x => x.IsChecked))
: (int?)null;
mainViewModel.VoteService.SaveVote(_person, candidateIndex);
mainViewModel.OpenResultView();
}
public void Candidates_Count_should_depend_on_selected_candidates(Candidates candidates, int expected)
{
var actual = candidates.Count();
actual.Should().Be(expected);
}
public int GetCandidatesSize() => Candidates.Count();
public void TestNew()
{
Assert.Equal(9, tgt.Count());
Assert.Equal("1-2-3-4-5-6-7-8-9", tgt.ToString());
}