public void Ex1()
{
var lines = FileReaderHelper.GetLines("input06.txt");
var groupCount = new Dictionary <int, int>();
var currentGroupAnswers = string.Empty;
int index = 0;
foreach (var line in lines)
{
if (line == string.Empty)
{
var answers = currentGroupAnswers.ToCharArray().Distinct().Count();
groupCount.Add(index, answers);
currentGroupAnswers = string.Empty;
index++;
}
currentGroupAnswers += line;
}
var last = currentGroupAnswers.ToCharArray().Distinct().Count();
groupCount.Add(index, last);
var sum = 0;
foreach (var item in groupCount.Values)
{
sum += item;
}
Console.WriteLine($"aantal: {sum}");
Console.ReadLine();
}
public void Ex2()
{
var lines = FileReaderHelper.GetLines("input06.txt");
var groupCount = new List <int>();
Group group = new Group();
foreach (var line in lines)
{
if (line == string.Empty)
{
groupCount.Add(GetIntersectingAnswers(group));
group = new Group();
}
else
{
group.Members.Add(new GroupMember(line));
}
}
groupCount.Add(GetIntersectingAnswers(group));
var sum = 0;
foreach (var item in groupCount)
{
sum += item;
}
Console.WriteLine($"aantal: {sum}");
Console.ReadLine();
}
public void Ex02()
{
int count = 0;
var lines = FileReaderHelper.GetLines("input02.txt");
foreach (var line in lines)
{
// 13-16 k: kkkkkgmkbvkkrskhd
var parts = line.Split(" ");
var startNumber = Convert.ToInt32(parts[0].Split("-")[0].Trim()); //13
var endNumber = Convert.ToInt32(parts[0].Split("-")[1]); //16
var letter = Convert.ToChar(parts[1].Trim().Remove(parts[1].Trim().Length - 1)); //k
var password = parts[2].Trim().ToCharArray(); //kkkkkgmkbvkkrskhd
if (password[startNumber - 1] == letter && password[endNumber - 1] != letter)
{
Console.WriteLine(line);
count++;
}
if (password[startNumber - 1] != letter && password[endNumber - 1] == letter)
{
Console.WriteLine(line);
count++;
}
//if (startNumber <= freq && freq <= endNumber)
//{
// Console.WriteLine(line);
// count++;
//}
}
Console.WriteLine($"aantal regels: {lines.Count}, aantal juiste wachtwoorden: {count}.");
Console.ReadLine();
}
public void Ex02()
{
int a;
int b;
int c;
var lines = FileReaderHelper.GetLines("input01.txt");
foreach (var line in lines)
{
a = Convert.ToInt32(line);
foreach (var line2 in lines)
{
b = Convert.ToInt32(line2);
foreach (var line3 in lines)
{
c = Convert.ToInt32(line3);
if (a + b + c == 2020)
{
Console.WriteLine($"a = {a} en b = {b} en c = {c}. a x b x c = {a * b * c}");
}
}
}
}
Console.ReadLine();
}
public void Ex01()
{
var countPassport = 0;
var countValid = 0;
var countInvalid = 0;
var lines = FileReaderHelper.GetLines("input04.txt");
var passportData = string.Empty;
foreach (var line in lines)
{
if (line == string.Empty)
{
var passport = new Passport(passportData.Trim());
countPassport++;
if (passport.IsValid())
{
// Console.WriteLine($"valid: {passportData}");
countValid++;
}
else
{
countInvalid++;
//Console.WriteLine($"INvalid: {passportData}");
}
passportData = string.Empty;
continue;
}
passportData = passportData + " " + line;
}
var lastPassport = new Passport(passportData.Trim());
countPassport++;
if (lastPassport.IsValid())
{
// Console.WriteLine($"valid: {passportData}");
countValid++;
}
else
{
countInvalid++;
//Console.WriteLine($"INvalid: {passportData}");
}
Console.WriteLine($"aantal paspoorten: {countPassport} valide aantal: {countValid} invalide aantal: {countInvalid}");
Console.ReadLine();
}
public void Ex01()
{
var lines = FileReaderHelper.GetLines("input05.txt");
var highestSeatId = 0;
List <int> seatList = new List <int>();
foreach (var line in lines)
{
var row = line.Remove(7).ToCharArray().ToList();
var seat = line.Remove(0, 7).ToCharArray().ToList();
int start = 0;
int end = 127;
var rowNumber = GetRowNumber(start, end, row);
var seatStart = 0;
var seatEnd = 7;
var seatNumber = GetSeatNumber(seatStart, seatEnd, seat);
var result = (rowNumber * 8) + seatNumber;
if (result > highestSeatId)
{
highestSeatId = result;
}
seatList.Add(result);
}
var orderedList = seatList.OrderBy(x => x);
var missinglist = new List <int>();
foreach (var item in orderedList)
{
if (!seatList.Contains(item + 1))
{
missinglist.Add(item + 1);
}
}
Console.WriteLine($"hoogste: {highestSeatId}");
Console.ReadLine();
}
public void Ex01()
{
int count = 0;
var lines = FileReaderHelper.GetLines("input03.txt");
var index = 1;
foreach (var line in lines)
{
var currentLine = line;
var l = currentLine.Length;
var position = (index * 3) - 2;
while (currentLine.Length <= position)
{
currentLine = currentLine + line;
}
if (currentLine.ToCharArray()[position - 1] == '#')
{
count++;
}
index++;
}
Console.WriteLine($" rechts 3 down 1 geeft aantal: {count}");
Console.ReadLine();
long drie = count;
count = 0;
lines = FileReaderHelper.GetLines("input03.txt");
index = 1;
foreach (var line in lines)
{
var currentLine = line;
var l = currentLine.Length;
var position = index;
while (currentLine.Length <= position)
{
currentLine = currentLine + line;
}
if (currentLine.ToCharArray()[position - 1] == '#')
{
// Console.WriteLine($"line: {currentLine} ppositie: {position}");
count++;
}
index++;
}
Console.WriteLine($" rechts 1 down 1 geeft aantal: {count}");
Console.ReadLine();
long een = count;
count = 0;
lines = FileReaderHelper.GetLines("input03.txt");
index = 1;
foreach (var line in lines)
{
var currentLine = line;
var l = currentLine.Length;
var position = (index * 5) - 4;
while (currentLine.Length <= position)
{
currentLine = currentLine + line;
}
if (currentLine.ToCharArray()[position - 1] == '#')
{
// Console.WriteLine($"line: {currentLine} ppositie: {position}");
count++;
}
index++;
}
Console.WriteLine($" rechts 5 down 1 geeft aantal: {count}");
Console.ReadLine();
long vijf = count;
count = 0;
lines = FileReaderHelper.GetLines("input03.txt");
index = 1;
foreach (var line in lines)
{
var currentLine = line;
var l = currentLine.Length;
var position = (index * 7) - 6;
while (currentLine.Length <= position)
{
currentLine = currentLine + line;
}
if (currentLine.ToCharArray()[position - 1] == '#')
{
// Console.WriteLine($"line: {currentLine} ppositie: {position}");
count++;
}
index++;
}
Console.WriteLine($" rechts 7 down 1 geeft aantal: {count}");
Console.ReadLine();
long zeven = count;
count = 0;
lines = FileReaderHelper.GetLines("input03.txt");
index = 1;
foreach (var line in lines)
{
if (index % 2 == 0)
{
index++;
continue;
}
var currentLine = line;
var l = currentLine.Length;
var position = (index + 1) / 2;
while (currentLine.Length <= position)
{
currentLine = currentLine + line;
}
if (currentLine.ToCharArray()[position - 1] == '#')
{
// Console.WriteLine($"line: {currentLine} ppositie: {position}");
count++;
}
index++;
}
Console.WriteLine($" rechts 1 down 2 geeft aantal: {count}");
Console.ReadLine();
long twee = count;
Console.WriteLine($"totaal: {een * twee * drie * vijf * zeven}");
}