public Day16() : base(16, 2020, "Ticket Translation")
{
string[] Lines = Input.Split(new string[] { Environment.NewLine + Environment.NewLine },
StringSplitOptions.RemoveEmptyEntries);
foreach (var rule in Lines[0].SplitByNewline())
{
string[] NameAndValue = rule.Split(':');
IEnumerable <int>[] RangesToSave = new IEnumerable <int> [0];
foreach (var ValueRange in NameAndValue[1].Split("or"))
{
int[] Range = ValueRange.Split('-').Select(number => Int32.Parse(number)).ToArray();
RangesToSave = RangesToSave.Append(Enumerable.Range(Range[0], Range[1] - Range[0] + 1)).ToArray();
}
Rules.Add(NameAndValue[0], RangesToSave);
}
MyTicket = Lines[1]
.SplitByNewline()
.Skip(1)
.First()
.Split(',')
.Select(number => Int32.Parse(number))
.ToList();
NearbyTickets = Lines[2]
.SplitByNewline()
.Skip(1)
.Select(ticket => ticket
.Split(',')
.Select(number => Int32.Parse(number))
.ToArray()
)
.ToList();
ValidTickets = new List <int[]>();
}
