public int GetPart1()
{
var constellations = new List <Constellation>();
foreach (var star in AllStars)
{
var constellation = new Constellation();
constellation.Stars.Add(star);
constellations.Add(constellation);
}
while (JoinSome(constellations))
{
}
return(constellations.Count);
}
public Constellation Join(Constellation other)
{
other.Stars.AddRange(Stars);
return(other);
}