public static TicketSheet Parse(List <string> lines)
{
var sheet = new TicketSheet();
var parsingTickets = false;
for (int i = 0; i < lines.Count; i++)
{
if (i > 0 && lines[i - 1].Contains("your ticket:"))
{
sheet.SantasTicket = GetTicketNumbers(lines[i]);
continue;
}
if (i > 0 && lines[i - 1].Contains("nearby tickets:") || parsingTickets)
{
sheet.Tickets.Add(GetTicketNumbers(lines[i]));
if (!parsingTickets)
{
parsingTickets = true;
}
continue;
}
var info = TicketInfo.Parse(lines[i]);
if (info != null)
{
sheet.TicketInfos.Add(info);
}
}
return(sheet);
}
private int SolvePart1()
{
sheet = TicketSheet.Parse(Data);
return(sheet.GetErrorRateAndRemoveInvalidTickets());
}
