public string Run(Aoc.Framework.Part part)
{
if (part == Aoc.Framework.Part.Part1)
{
long count = 0;
string[] forbidden = new string[] { "ab", "cd", "pq", "xy" };
foreach (string s in _input)
{
int voyels = s.ToCharArray().Count(c => "aeiou".Contains(c));
if (voyels < 3)
{
continue;
}
char?repeated = Repetition.First(s, 2);
if (repeated == null)
{
continue;
}
bool wrong = false;
foreach (string f in forbidden)
{
if (s.Contains(f))
{
wrong = true;
break;
}
}
if (wrong)
{
continue;
}
count++;
}
return(count.ToString());
}
if (part == Aoc.Framework.Part.Part2)
{
long count = 0;
foreach (string s in _input)
{
if (!Repetition.Group(s, 2))
{
continue;
}
if (!Repetition.Spaced(s, 1))
{
continue;
}
count++;
}
return(count.ToString());
}
return("");
}