public Passport(Passport p) // copy constructor
{
this.data = p.data;
}
static void Main(string[] args)
{
List <Passport> passports = new List <Passport>();
string[] lines = System.IO.File.ReadAllLines(@"C:\CodeBase\VS19\AdventOfCode2020\Day04\data.txt"); // ***** change this to the location of data.txt *****
Passport p = new Passport(); // empty passport to fill
foreach (var line in lines)
{
if (line == string.Empty) // store filled passport and create new empty passport
{
passports.Add(new Passport(p));
p = new Passport();
continue;
}
string[] components = line.Split(' '); // split line into components
foreach (var component in components)
{
string[] fields = component.Split(':'); // split component into key:value pair
switch (fields[0])
{
case "byr":
p.data.byr = fields[1]; break;
case "iyr":
p.data.iyr = fields[1]; break;
case "eyr":
p.data.eyr = fields[1]; break;
case "hgt":
p.data.hgt = fields[1]; break;
case "hcl":
p.data.hcl = fields[1]; break;
case "ecl":
p.data.ecl = fields[1]; break;
case "pid":
p.data.pid = fields[1]; break;
case "cid":
p.data.cid = fields[1]; break;
}
}
}
passports.Add(new Passport(p)); // add last passport
Console.WriteLine($"Total passports: {passports.Count()}");
int validpassportspart1 = 0;
int validpassportspart2 = 0;
foreach (Passport passport in passports)
{
//Console.WriteLine($"{passport}");
if (passport.isValid())
{
validpassportspart1++;
}
if (passport.isValid2())
{
validpassportspart2++;
}
}
Console.WriteLine();
Console.WriteLine($"Part1 : Valid passports: {validpassportspart1}");
Console.WriteLine($"Part2 : Valid passports: {validpassportspart2}");
}
static async Task Main(string[] args)
{
// Part One
var inputLines = new List <string>();
using var reader = new System.IO.StreamReader("Input.txt");
while (reader.Peek() > -1)
{
var lineItem = await reader.ReadLineAsync();
inputLines.Add(lineItem);
}
// Build passports
var passports = new List <Passport>();
var passport = new Passport();
foreach (var line in inputLines)
{
if (string.IsNullOrWhiteSpace(line))
{
passports.Add(passport);
passport = new Passport();
continue;
}
var fields = line.Split(" ").ToList();
foreach (var field in fields)
{
var parts = field.Split(":");
switch (parts[0])
{
case PassportFields.BirthYear:
passport.BirthYear = parts[1];
break;
case PassportFields.IssueYear:
passport.IssueYear = parts[1];
break;
case PassportFields.ExpirationYear:
passport.ExpirationYear = parts[1];
break;
case PassportFields.Height:
passport.Height = parts[1];
break;
case PassportFields.HairColor:
passport.HairColor = parts[1];
break;
case PassportFields.EyeColor:
passport.EyeColor = parts[1];
break;
case PassportFields.PassportId:
passport.PassportId = parts[1];
break;
case PassportFields.CountryId:
passport.CountryId = parts[1];
break;
}
}
}
passports.Add(passport);
var validPassports = passports.Where(p => p.IsValid_Part1()).Count();
Console.WriteLine($"Valid passports: {validPassports}");
// Part 2
validPassports = passports.Where(p => p.IsValid_Part1() && p.IsValid_Part2()).Count();
Console.WriteLine($"Valid passports: {validPassports}");
}
static void Main(string[] args)
{
var passports = new List <Passport>();
const string fileName = @"../../../input.txt";
var input = File.ReadAllText(fileName);
var inputs = input.Split("\n\n");
for (var i = 0; i < inputs.Length; i++)
{
inputs[i] = inputs[i].Replace('\n', ' ');
var tempSplit = inputs[i].Split(" ");
var temp = new Dictionary <string, string>();
var passport = new Passport();
foreach (var ts in tempSplit)
{
var tempPair = new KeyValuePair <string, string>(Helper.GetKey(ts), Helper.GetValue(ts));
switch (tempPair.Key)
{
case "ecl":
passport.EyeColor = tempPair.Value;
break;
case "pid":
passport.PassportId = tempPair.Value;
break;
case "eyr":
passport.ExpirationYear = tempPair.Value;
break;
case "hcl":
passport.HairColor = tempPair.Value;
break;
case "byr":
passport.BirthYear = tempPair.Value;
break;
case "iyr":
passport.IssueYear = tempPair.Value;
break;
case "cid":
passport.CountryId = tempPair.Value;
break;
case "hgt":
passport.Height = tempPair.Value;
break;
}
}
passports.Add(passport);
}
var validPassportsPartOne = passports.Count(x => x.IsValid());
var validPassportsPartTwo = passports.Count(x => x.IsPartTwoValid());
Console.WriteLine($"Part 1 - Number of valid passports: {validPassportsPartOne}");
Console.WriteLine($"Part 2 - Number of valid passports: {validPassportsPartTwo}");
}
static List <Passport> ParseLinesInPassports(string[] lines)
{
List <Passport> passports = new List <Passport>();
Passport currentPassport = new Passport();
for (int index = 0; index < lines.Length; index++)
{
string line = lines[index];
if (line == string.Empty)
{
passports.Add(currentPassport);
currentPassport = new Passport();
}
List <string> passwordParams = line.Split(' ').ToList();
foreach (string param in passwordParams)
{
List <string> parameterDetails = param.Split(':').ToList();
switch (parameterDetails[0])
{
case "byr":
currentPassport.BirthYear = parameterDetails[1];
break;
case "iyr":
currentPassport.IssueYear = parameterDetails[1];
break;
case "eyr":
currentPassport.ExpirationYear = parameterDetails[1];
break;
case "hgt":
currentPassport.Height = parameterDetails[1];
break;
case "hcl":
currentPassport.HairColor = parameterDetails[1];
break;
case "ecl":
currentPassport.EyeColor = parameterDetails[1];
break;
case "pid":
currentPassport.PassportId = parameterDetails[1];
break;
case "cid":
currentPassport.CountryId = parameterDetails[1];
break;
}
}
if (index == lines.Length - 1)
{
passports.Add(currentPassport);
}
}
return(passports);
}
