static void Main(string[] args)
{
//Parse input
string[] Passports = File.ReadAllText("./input.txt").Split("\n\n");
List <Passport> passportList = new List <Passport>();
List <Passport> validPassports = new List <Passport>();
List <Passport> extraValidPassports = new List <Passport>();
for (int i = 0; i < Passports.Length; i++)
{
string p = Passports[i].Replace("\n", " ");
Passports[i] = p;
}
foreach (var item in Passports)
{
string[] splitString = item.Split(" ");
Passport currentPassport = new Passport();
foreach (string part in splitString)
{
if (part.Contains("byr"))
{
currentPassport.byr = part.Split(":")[1];
}
else if (part.Contains("iyr"))
{
currentPassport.iyr = part.Split(":")[1];
}
if (part.Contains("eyr"))
{
currentPassport.eyr = part.Split(":")[1];
}
if (part.Contains("hgt"))
{
currentPassport.hgt = part.Split(":")[1];
}
if (part.Contains("hcl"))
{
currentPassport.hcl = part.Split(":")[1];
}
if (part.Contains("ecl"))
{
currentPassport.ecl = part.Split(":")[1];
}
if (part.Contains("pid"))
{
currentPassport.pid = part.Split(":")[1];
}
if (part.Contains("cid"))
{
currentPassport.cid = part.Split(":")[1];
}
}
passportList.Add(currentPassport);
}
Console.WriteLine($"Added passports: {passportList.Count}");
//Check for valid passports part1
int validCount = 0;
foreach (Passport p in passportList)
{
if (p.byr != null && p.iyr != null && p.eyr != null && p.hgt != null && p.hcl != null && p.ecl != null && p.pid != null)
{
validCount++;
validPassports.Add(p);
}
}
Console.WriteLine($"Valid passports with part1-rules: {validCount}");
//Part2-check
foreach (Passport p in validPassports)
{
bool validPassport = true;
//Sjekker BYR
if (int.TryParse(p.byr, out int byr))
{
if (byr > 2002 || byr < 1920)
{
validPassport = false;
}
}
else
{
validPassport = false;
}
//Sjekker IYR
if (int.TryParse(p.iyr, out int iyr))
{
if (iyr < 2010 || iyr > 2020)
{
validPassport = false;
}
}
else
{
validPassport = false;
}
//Sjekker EYR
if (int.TryParse(p.eyr, out int eyr))
{
if (eyr < 2020 || eyr > 2030)
{
validPassport = false;
}
}
else
{
validPassport = false;
}
//Sjekker høyde
if (p.hgt.Contains("cm"))
{
string temp = p.hgt.Replace("cm", "");
if (int.TryParse(temp, out int hgt))
{
if (hgt < 150 || hgt > 193)
{
validPassport = false;
}
}
else
{
validPassport = false;
}
}
else if (p.hgt.Contains("in"))
{
string temp = p.hgt.Replace("in", "");
if (int.TryParse(temp, out int hgt))
{
if (hgt < 59 || hgt > 76)
{
validPassport = false;
}
}
else
{
validPassport = false;
}
}
else
{
validPassport = false;
}
//Sjekker HCL
if (!Regex.Match(p.hcl, "^#(?:[0-9a-fA-F]{3}){1,2}$").Success)
{
validPassport = false;
}
//Sjekker ecl
if (p.ecl == "amb" || p.ecl == "blu" || p.ecl == "brn" || p.ecl == "gry" || p.ecl == "grn" || p.ecl == "hzl" || p.ecl == "oth")
{
}
else
{
validPassport = false;
}
//Sjekker PID
if (int.TryParse(p.pid, out int pid))
{
if (p.pid.Length != 9)
{
validPassport = false;
}
}
else
{
validPassport = false;
}
if (validPassport)
{
extraValidPassports.Add(p);
}
}
Console.WriteLine($"Valid passports after part two-check: {extraValidPassports.Count}");
}
static void Main(string[] args)
{
string path = @"passports.txt";
List <Passport> passports = new List <Passport>();
using (StreamReader sr = File.OpenText(path))
{
string s;
while ((s = sr.ReadLine()) != null)
{
while (sr.Peek() != 13 && !sr.EndOfStream)
{
s += " " + sr.ReadLine();
}
if (s.Length > 2)
{
Passport passport = new Passport();
string[] strings = s.Split(" ");
foreach (string str in strings)
{
string[] temp = str.Split(":");
switch (temp[0])
{
case "byr":
passport.byr = temp[1];
break;
case "iyr":
passport.iyr = temp[1];
break;
case "eyr":
passport.eyr = temp[1];
break;
case "hgt":
passport.hgt = temp[1];
break;
case "hcl":
passport.hcl = temp[1];
break;
case "ecl":
passport.ecl = temp[1];
break;
case "pid":
passport.pid = temp[1];
break;
case "cid":
passport.cid = temp[1];
break;
default:
break;
}
}
passports.Add(passport);
}
}
}
Console.WriteLine("Total passports: " + passports.Count);
int i = 0;
foreach (Passport pass in passports)
{
if (pass.isValid())
{
i++;
}
}
Console.WriteLine("Total valid passports: " + i);
int j = 0;
foreach (Passport pass in passports)
{
if (pass.isSuperValid())
{
j++;
}
}
Console.WriteLine("Total super valid passports: " + j);
}