static private void D4a()
{
List <Passport> passports = new List <Passport>();
using (StreamReader input = File.OpenText("d:\\programming\\Advent of Code\\data 2020\\D4\\input.txt"))
{
string line = "";
Passport p = null;
while ((line = input.ReadLine()) != null)
{
if (p == null)
{
p = new Passport();
}
if (line.Length == 0)
{
passports.Add(p);
p = null;
}
else
{
string[] t1 = line.Split(' ');
for (int i = 0; i < t1.Length; i++)
{
string[] t2 = t1[i].Split(':');
switch (t2[0])
{
case "byr":
p.byr = t2[1];
break;
case "iyr":
p.iyr = t2[1];
break;
case "eyr":
p.eyr = t2[1];
break;
case "hgt":
p.hgt = t2[1];
break;
case "hcl":
p.hcl = t2[1];
break;
case "ecl":
p.ecl = t2[1];
break;
case "pid":
p.pid = t2[1];
break;
case "cid":
p.cid = t2[1];
break;
}
}
}
}
if (p != null)
{
passports.Add(p);
}
}
int count = passports.FindAll(p => p.byr.Length > 0 && p.ecl.Length > 0 && p.eyr.Length > 0 && p.hcl.Length > 0 && p.hgt.Length > 0 && p.iyr.Length > 0 && p.pid.Length > 0).Count();
Console.WriteLine(count);
Console.WriteLine("end");
Console.ReadLine();
}
static private void D4b()
{
List <Passport> passports = new List <Passport>();
using (StreamReader input = File.OpenText("d:\\programming\\Advent of Code\\data 2020\\D4\\input.txt"))
{
string line = "";
Passport p = null;
while ((line = input.ReadLine()) != null)
{
if (p == null)
{
p = new Passport();
}
if (line.Length == 0)
{
passports.Add(p);
p = null;
}
else
{
string[] t1 = line.Split(' ');
for (int i = 0; i < t1.Length; i++)
{
string[] t2 = t1[i].Split(':');
switch (t2[0])
{
case "byr":
p.byr = t2[1];
break;
case "iyr":
p.iyr = t2[1];
break;
case "eyr":
p.eyr = t2[1];
break;
case "hgt":
p.hgt = t2[1];
break;
case "hcl":
p.hcl = t2[1];
break;
case "ecl":
p.ecl = t2[1];
break;
case "pid":
p.pid = t2[1];
break;
case "cid":
p.cid = t2[1];
break;
}
}
}
}
if (p != null)
{
passports.Add(p);
}
}
List <Passport> filtered = passports.FindAll(p => p.byr.Length > 0 && p.ecl.Length > 0 && p.eyr.Length > 0 && p.hcl.Length > 0 && p.hgt.Length > 0 && p.iyr.Length > 0 && p.pid.Length > 0);
filtered = filtered.FindAll(p => Convert.ToInt32(p.byr) >= 1920 && Convert.ToInt32(p.byr) <= 2002);
filtered = filtered.FindAll(p => Convert.ToInt32(p.iyr) >= 2010 && Convert.ToInt32(p.iyr) <= 2020);
filtered = filtered.FindAll(p => Convert.ToInt32(p.eyr) >= 2020 && Convert.ToInt32(p.eyr) <= 2030);
filtered = filtered.FindAll(p => (p.hgt.Contains("cm") && Convert.ToInt32(p.hgt.Replace("cm", "")) >= 150 && Convert.ToInt32(p.hgt.Replace("cm", "")) <= 193) ||
(p.hgt.Contains("in") && Convert.ToInt32(p.hgt.Replace("in", "")) >= 59 && Convert.ToInt32(p.hgt.Replace("in", "")) <= 76));
filtered = filtered.FindAll(p => p.hcl.Length == 7 && p.hcl.StartsWith("#"));
filtered = filtered.FindAll(p => p.ecl == "amb" || p.ecl == "blu" || p.ecl == "brn" || p.ecl == "gry" || p.ecl == "grn" || p.ecl == "hzl" || p.ecl == "oth");
filtered = filtered.FindAll(p => p.pid.Length == 9);
Console.WriteLine(filtered.Count());
Console.WriteLine("end");
Console.ReadLine();
}
