public string Run(Aoc.Framework.Part part)
{
if (part == Aoc.Framework.Part.Part1)
{
var counts = _ids.Select(id => HasDuplicatesOrTriplicates(id));
return((counts.Count(c => c.Item1) * counts.Count(c => c.Item2)).ToString());
}
if (part == Aoc.Framework.Part.Part2)
{
foreach (string id1 in _ids)
{
string id2 = _ids.Where(s => Difference.Count(id1, s) == 1).FirstOrDefault();
if (id2 != null)
{
return(Difference.GetCommonPart(id1, id2));
}
}
}
return("");
}