public long RunSecond()
{
var allLines = IChallenge.GetAllLines("6_1.txt");
//var allLines= IChallenge.GetAllLines("test_6_1.txt");
return(GetSharedAnswers(allLines));
}
public long RunFirst()
{
//var allLines = IChallenge.GetAllLines("test_9.txt");
var allLines = IChallenge.GetAllLines("9_1.txt");
var first = FindFirstInvalidXMAS(allLines.Select(long.Parse).ToArray(), 25);
return(long.Parse(allLines[first]));
}
public long RunFirst()
{
_instructions = IChallenge.GetAllLines("8_1.txt");
//_instructions = IChallenge.GetAllLines("test_8_1.txt");
DoInstruction(0);
return(_accumulator);
}
public long RunFirst()
{
//var allLines= IChallenge.GetAllLines("test_6_1.txt");
var allLines = IChallenge.GetAllLines("6_1.txt");
var totalAnswers = GetDistinctAnswers(allLines);
return(totalAnswers);
}
public long RunSecond()
{
var dictionaryRatingsPathsToZero = new Dictionary <long, long>();
var ratings = IChallenge.GetAllLines("10_1.txt").Select(long.Parse).ToList();
ratings.Add(0);
ratings.Sort();
var endRating = ratings[^ 1] + 3;
public long RunSecond()
{
//var allLines = IChallenge.GetAllLines("test_simple_7_2.txt");
//var allLines = IChallenge.GetAllLines("test_7_2.txt");
var allLines = IChallenge.GetAllLines("7_1.txt");
var contents = GetDictionaryOfContents(allLines);
var bagCount = TraverseBags("shiny gold", contents) - 1; // do not count the shiny bag in it self
return(bagCount);
}
public long RunFirst()
{
//var allLines = IChallenge.GetAllLines("test_7_1.txt");
var allLines = IChallenge.GetAllLines("7_1.txt");
var containerDictionary = GetDictionaryOfContainers(allLines);
containerDictionary.TryGetValue("shiny gold", out var containers);
var allNodes = TraverseContainers(containers, containerDictionary);
return(allNodes.Count);
}
public long RunFirst()
{
var allLines = IChallenge.GetAllLines("5_1.txt");
/*var maxSeatId = long.MinValue;
* foreach (var line in allLines)
* {
* var seatId = ParseSeatId(line);
* maxSeatId = seatId > maxSeatId ? seatId : maxSeatId;
* }
* return maxSeatId;*/
//return allLines.Select(line => ParseSeatId(line)).Max();
return(allLines.Select(ParseSeatId).Max());
}
public long RunSecond()
{
//var allLines = IChallenge.GetAllLines("test_9.txt").Select(long.Parse).ToArray();
//var first = FindFirstInvalidXMAS(allLines, 5);
var allLines = IChallenge.GetAllLines("9_1.txt").Select(long.Parse).ToArray();
var first = FindFirstInvalidXMAS(allLines, 25);
var value = allLines[first];
var tuple = FindContignuousSequence(allLines, value);
var segment = allLines.Skip(tuple.i).Take(tuple.j - tuple.i + 1).ToArray();
//var segment = new ArraySegment<long>(allLines, tuple.i, tuple.j-1).ToArray();
Array.Sort(segment);
return(segment[0] + segment[^ 1]);
public long RunSecond()
{
var allLines = IChallenge.GetAllLines("5_1.txt");
var seatIds = allLines.Select(ParseSeatId).OrderBy(id => id).ToList();
long mySeatId = 0;
for (var i = 0; i < seatIds.Count; i++)
{
if (seatIds[i + 1] > seatIds[i] + 1)
{
mySeatId = seatIds[i] + 1;
break;
}
}
return(mySeatId);
}
private static IEnumerable <string> GetValidPassports()
{
var file = "4_1.txt";
//var file = "test_4_1.txt";
//var file = "test_4_2_invalid.txt";
//var file = "test_4_2_valid.txt";
var _allLines = IChallenge.GetAllLines(file);
var passPorts = new List <string>();
var passportBuilder = new StringBuilder();
foreach (var line in _allLines)
{
if (!string.IsNullOrEmpty(line) && !string.IsNullOrWhiteSpace(line))
{
if (passportBuilder.Length > 0)
{
passportBuilder.Append(' ');
}
passportBuilder.Append(line);
}
else
{
passPorts.Add(passportBuilder.ToString());
passportBuilder.Clear();
}
}
//add dangling line from StringBuilder, because the was no blank line at the end of the file.
passPorts.Add(passportBuilder.ToString());
var validPassports = passPorts.Where(p =>
{
var split = p.Split(' ');
return(split.Length == 8 || (split.Length == 7 && !p.Contains("cid")));
});
return(validPassports);
}
public long RunFirst()
{
var ratings = IChallenge.GetAllLines("10_1.txt").Select(long.Parse).ToList();
ratings.Add(0);
ratings.Sort();
long oneGabCount = 0;
long threeGabCount = 1;
for (var i = 0; i < ratings.Count - 1; i++)
{
if (ratings[i] + 1 == ratings[i + 1])
{
oneGabCount++;
}
if (ratings[i] + 3 == ratings[i + 1])
{
threeGabCount++;
}
}
return(oneGabCount * threeGabCount);
}
public long RunSecond()
{
//_instructions = IChallenge.GetAllLines("test_8_1.txt");
_instructions = IChallenge.GetAllLines("8_1.txt");
var nopInstrunction = "nop";
var jmpInstruction = "jmp";
var jmps = Enumerable.Range(0, _instructions.Length).Where(i => _instructions[i].Contains(jmpInstruction)).ToList();
var nops = Enumerable.Range(0, _instructions.Length).Where(i => _instructions[i].Contains(nopInstrunction)).ToList();
foreach (var jmp in jmps)
{
_set.Clear();
_accumulator = 0;
_instructions[jmp] = _instructions[jmp].Replace(jmpInstruction, nopInstrunction);
if (DoInstruction(0) == 0)
{
return(_accumulator);
}
_instructions[jmp] = _instructions[jmp].Replace(nopInstrunction, jmpInstruction);
}
foreach (var nop in nops)
{
_set.Clear();
_accumulator = 0;
_instructions[nop] = _instructions[nop].Replace(nopInstrunction, jmpInstruction);
if (DoInstruction(0) == 0)
{
return(_accumulator);
}
_instructions[nop] = _instructions[nop].Replace(jmpInstruction, nopInstrunction);
}
throw new Exception("Not path to end was found");
}
