public static long Part2()
{
const string path = Helpers.inputPath + @"\day16\input.txt";
string input = ProcessInputFile(path);
IList <TicketValidator.Rule> rules = ParseRules(input);
TicketValidator validator = new TicketValidator();
validator.AddRules(rules);
IList <int> myTicket = ParseYourTicket(input);
IList <IList <int> > nearbyTickets = ParseNearbyTickets(input);
IList <string> fieldOrder = FindFieldOrder(validator, nearbyTickets);
long result = 1;
for (int i = 0; i < myTicket.Count; i++)
{
if (fieldOrder[i].StartsWith("departure"))
{
result *= (long)myTicket[i];
}
}
return(result);
}
//######################################################################
// Part 1 + 2 Solutions
//######################################################################
public static int Part1()
{
const string path = Helpers.inputPath + @"\day16\input.txt";
string input = ProcessInputFile(path);
IList <TicketValidator.Rule> rules = ParseRules(input);
TicketValidator validator = new TicketValidator();
validator.AddRules(rules);
IList <IList <int> > tickets = ParseNearbyTickets(input);
int errorRate = 0;
foreach (var ticket in tickets)
{
foreach (int val in ticket)
{
if (!validator.ValidateValue(val))
{
errorRate += val;
}
}
}
return(errorRate);
}