add Year to Day class

AOC.Common/Day.cs

@@ -2,16 +2,16 @@
 
 public abstract class Day
 {
-    protected Day(int dayNumber, string puzzleName)
+    protected Day(int year, int day, string puzzleName)
     {
-        DayNumber = dayNumber;
+        Year = year;
+        DayNumber = day;
         PuzzleName = puzzleName;
     }
 
     public static bool UseTestInput { get; set; }
     
-    public static int Year { get; set; }
+    public int Year { get; }
-
     public int DayNumber { get; }
     public string PuzzleName { get; }
 

AOC.Test/AOC.Test.csproj

@@ -25,6 +25,7 @@
         <ProjectReference Include="..\AOC2019\AOC2019.csproj" />
         <ProjectReference Include="..\AOC2020\AOC2020.csproj" />
         <ProjectReference Include="..\AOC2021\AOC2021.csproj" />
+        <ProjectReference Include="..\AOC2022\AOC2022.csproj" />
     </ItemGroup>
 
 </Project>

AOC.Test/Common.cs

@@ -0,0 +1,33 @@
+namespace AOC.Test;
+
+public static class Common
+{
+    public static void CheckDay(Type dayType, string part1, string part2)
+    {
+        var s = Stopwatch.StartNew();
+        var day = Activator.CreateInstance(dayType) as Day;
+        s.Stop();
+        Assert.IsNotNull(day, "failed to instantiate day object");
+        Assert.IsTrue(File.Exists(day.FileName), $"File.Exists(day.FileName) {day.FileName}");
+        Console.Write($"{day.Year} Day {day.DayNumber,2}: {day.PuzzleName,-25} ");
+        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed in constructor");
+
+        // part 1
+        s.Reset();
+        s.Start();
+        var part1Actual = day.Part1().ToString();
+        s.Stop();
+        Console.Write($"Part 1: {part1Actual,-25} ");
+        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
+        Assert.AreEqual(part1, part1Actual, $"Incorrect answer for Day {day.DayNumber} Part1");
+
+        // part 2
+        s.Reset();
+        s.Start();
+        var part2Actual = day.Part2().ToString();
+        s.Stop();
+        Console.Write($"Part 2: {part2Actual,-25} ");
+        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
+        Assert.AreEqual(part2, part2Actual, $"Incorrect answer for Day {day.DayNumber} Part2");
+    }
+}

AOC.Test/Test2019.cs

@@ -35,32 +35,6 @@ public class Test2019
     //[DataRow(typeof(Day25), "", "")]
     public void TestAllDays(Type dayType, string part1, string part2)
     {
-        Day.Year = 2019;
+        Common.CheckDay(dayType, part1, part2);
-
-        var s = Stopwatch.StartNew();
-        var day = Activator.CreateInstance(dayType) as Day;
-        s.Stop();
-        Assert.IsNotNull(day, "failed to instantiate day object");
-        Assert.IsTrue(File.Exists(day!.FileName));
-        Console.Write($"Day {day.DayNumber,2}: {day.PuzzleName,-15} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed in constructor");
-
-        // part 1
-        s.Reset();
-        s.Start();
-        var part1Actual = day.Part1();
-        s.Stop();
-        Console.Write($"Part 1: {part1Actual,-15} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
-        Assert.AreEqual(part1, part1Actual, $"Incorrect answer for Day {day.DayNumber} Part1");
-
-        // part 2
-        s.Reset();
-        s.Start();
-        var part2Actual = day.Part2();
-        s.Stop();
-        Console.Write($"Part 2: {part2Actual,-15} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
-        Assert.AreEqual(part2, part2Actual, $"Incorrect answer for Day {day.DayNumber} Part2");
     }
 }

AOC.Test/Test2020.cs

@@ -33,29 +33,6 @@ public class Test2020
     [DataRow(typeof(Day25), "11707042", "")]
     public void CheckAllDays(Type dayType, string part1, string part2)
     {
-        Day.Year = 2020;
+        Common.CheckDay(dayType, part1, part2);
-
-        // create day instance
-        var s = Stopwatch.StartNew();
-        var day = Activator.CreateInstance(dayType) as Day;
-        s.Stop();
-        Assert.IsNotNull(day, "failed to create day object");
-        Console.WriteLine($"{s.ScaleMilliseconds()}ms elapsed in constructor");
-
-        // part 1
-        s.Reset();
-        s.Start();
-        var part1Actual = day!.Part1();
-        s.Stop();
-        Console.WriteLine($"{s.ScaleMilliseconds()}ms elapsed in part1");
-        Assert.AreEqual(part1, part1Actual, $"Incorrect answer for Day {day.DayNumber} Part1");
-
-        // part 2
-        s.Reset();
-        s.Start();
-        var part2Actual = day.Part2();
-        s.Stop();
-        Console.WriteLine($"{s.ScaleMilliseconds()}ms elapsed in part2");
-        Assert.AreEqual(part2, part2Actual, $"Incorrect answer for Day {day.DayNumber} Part2");
     }
 }

AOC.Test/Test2021.cs

@@ -50,33 +50,7 @@ public class Test2021
     [DataRow(typeof(Day25), "417", "")]
     public void CheckAllDays(Type dayType, string part1, string part2)
     {
-        Day.Year = 2021;
+        Common.CheckDay(dayType, part1, part2);
-
-        var s = Stopwatch.StartNew();
-        var day = Activator.CreateInstance(dayType) as Day;
-        s.Stop();
-        Assert.IsNotNull(day, "failed to instantiate day object");
-        Assert.IsTrue(File.Exists(day.FileName));
-        Console.Write($"Day {day.DayNumber,2}: {day.PuzzleName,-25} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed in constructor");
-
-        // part 1
-        s.Reset();
-        s.Start();
-        var part1Actual = day.Part1().ToString();
-        s.Stop();
-        Console.Write($"Part 1: {part1Actual,-25} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
-        Assert.AreEqual(part1, part1Actual, $"Incorrect answer for Day {day.DayNumber} Part1");
-
-        // part 2
-        s.Reset();
-        s.Start();
-        var part2Actual = day.Part2().ToString();
-        s.Stop();
-        Console.Write($"Part 2: {part2Actual,-25} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
-        Assert.AreEqual(part2, part2Actual, $"Incorrect answer for Day {day.DayNumber} Part2");
     }
 
     [DataTestMethod]
@@ -106,33 +80,8 @@ public class Test2021
     [DataRow(typeof(Day25), "58", "")]
     public void CheckTestInputs(Type dayType, string part1, string part2)
     {
-        Day.Year = 2021;
         Day.UseTestInput = true;
 
-        var s = Stopwatch.StartNew();
+        Common.CheckDay(dayType, part1, part2);
-        var day = Activator.CreateInstance(dayType) as Day;
-        s.Stop();
-        Assert.IsNotNull(day, "failed to instantiate day object");
-        Assert.IsTrue(File.Exists(day.FileName));
-        Console.Write($"Day {day.DayNumber,2}: {day.PuzzleName,-25} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed in constructor");
-
-        // part 1
-        s.Reset();
-        s.Start();
-        var part1Actual = day.Part1().ToString();
-        s.Stop();
-        Console.Write($"Part 1: {part1Actual,-25} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
-        Assert.AreEqual(part1, part1Actual, $"Incorrect answer for Day {day.DayNumber} Part1");
-
-        // part 2
-        s.Reset();
-        s.Start();
-        var part2Actual = day.Part2().ToString();
-        s.Stop();
-        Console.Write($"Part 2: {part2Actual,-25} ");
-        Console.WriteLine($"{s.ScaleMilliseconds()} ms elapsed");
-        Assert.AreEqual(part2, part2Actual, $"Incorrect answer for Day {day.DayNumber} Part2");
     }
 }

AOC.Test/Test2022.cs

@@ -0,0 +1,13 @@
+using AOC2022;
+namespace AOC.Test;
+
+[TestClass]
+public class Test2022
+{
+    [DataTestMethod]
+    [DataRow(typeof(Day01), "", "")]
+    public void CheckAllDays(Type dayType, string part1, string part2)
+    {
+        Common.CheckDay(dayType, part1, part2);
+    }
+}

AOC2019/Day01.cs

@@ -4,7 +4,7 @@ public sealed class Day01 : Day
 {
     private readonly IEnumerable<int> _masses;
 
-    public Day01() : base(1, "The Tyranny of the Rocket Equation")
+    public Day01() : base(2019, 1, "The Tyranny of the Rocket Equation")
     {
         _masses = Input.Select(int.Parse);
     }

AOC2019/Day02.cs

@@ -4,7 +4,7 @@ public sealed class Day02 : Day
 {
     private readonly IEnumerable<int> _input;
 
-    public Day02() : base(2, "1202 Program Alarm")
+    public Day02() : base(2019, 2, "1202 Program Alarm")
     {
         _input = Input.First().Split(',').Select(int.Parse);
     }

AOC2019/Day03.cs

@@ -5,7 +5,7 @@ public sealed class Day03 : Day
     private readonly IEnumerable<(int, int)> _intersections;
     private readonly List<Dictionary<(int, int), int>> _wires;
 
-    public Day03() : base(3, "Crossed Wires")
+    public Day03() : base(2019, 3, "Crossed Wires")
     {
         _wires = Input.Select(ParseWire).ToList();
         _intersections = _wires[0].Keys.Intersect(_wires[1].Keys);

AOC2019/Day04.cs

@@ -4,7 +4,7 @@ public sealed class Day04 : Day
 {
     private readonly int _start, _end;
 
-    public Day04() : base(4, "Secure Container")
+    public Day04() : base(2019, 4, "Secure Container")
     {
         var range = Input.First().Split('-').Select(int.Parse).ToList();
         _start = range[0];

AOC2019/Day05.cs

@@ -5,7 +5,7 @@ public sealed class Day05 : Day
     private readonly IEnumerable<int> _tape;
     private int _output;
 
-    public Day05() : base(5, "Sunny with a Chance of Asteroids")
+    public Day05() : base(2019, 5, "Sunny with a Chance of Asteroids")
     {
         _tape = Input.First().Split(',').Select(int.Parse);
     }

AOC2019/Day06.cs

@@ -4,7 +4,7 @@ public sealed class Day06 : Day
 {
     private readonly Dictionary<string, string> _input;
 
-    public Day06() : base(6, "Universal Orbit Map")
+    public Day06() : base(2019, 6, "Universal Orbit Map")
     {
         _input = Input.ToDictionary(i => i.Split(')')[1], i => i.Split(')')[0]);
     }

AOC2019/Day07.cs

@@ -4,7 +4,7 @@ public sealed class Day07 : Day
 {
     private readonly IntCodeVM[] _amplifiers = new IntCodeVM[5];
 
-    public Day07() : base(7, "Amplification Circuit")
+    public Day07() : base(2019, 7, "Amplification Circuit")
     {
         for (var i = 0; i < 5; i++) _amplifiers[i] = new(Input.First());
     }

AOC2019/Day08.cs

@@ -4,7 +4,7 @@ public sealed class Day08 : Day
 {
     private readonly List<List<char>> _photo;
 
-    public Day08() : base(8, "Space Image Format")
+    public Day08() : base(2019, 8, "Space Image Format")
     {
         _photo = Input.First().Chunk(25 * 6).Select(s => s.ToList()).ToList();
     }

AOC2019/Day09.cs

@@ -4,7 +4,7 @@ public sealed class Day09 : Day
 {
     private readonly IntCodeVM _vm;
 
-    public Day09() : base(9, "Sensor Boost")
+    public Day09() : base(2019, 9, "Sensor Boost")
     {
         _vm = new(Input.First());
     }

AOC2019/Day10.cs

@@ -6,7 +6,7 @@ public sealed class Day10 : Day
     private (int x, int y) _best = (x: -1, y: -1);
     private int _bestCanSee;
 
-    public Day10() : base(10, "Monitoring Station")
+    public Day10() : base(2019, 10, "Monitoring Station")
     {
         _asteroids = Input
             .Select((r, y) => r.Select((c, x) => (x, y, isAsteroid: c == '#')).ToArray())

AOC2019/Day11.cs

@@ -6,7 +6,7 @@ public sealed class Day11 : Day
     private Direction _heading;
     private long _x, _y;
 
-    public Day11() : base(11, "Space Police")
+    public Day11() : base(2019, 11, "Space Police")
     {
         _vm = new(Input.First());
     }
@@ -58,7 +58,7 @@ public sealed class Day11 : Day
         var haltType = IntCodeVM.HaltType.Waiting;
         while (haltType == IntCodeVM.HaltType.Waiting)
         {
-            haltType = _vm.Run(map.GetValueOrDefault((x: _x, y: _y)));
+            haltType = _vm.Run(map.GetValueOrDefault((_x, _y)));
             map[(_x, _y)] = _vm.Result;
             Turn(_vm.Result);
         }

AOC2019/Day12.cs

@@ -5,7 +5,7 @@ public sealed class Day12 : Day
     private readonly List<Position> _moons;
     private int _step;
 
-    public Day12() : base(12, "The N-Body Problem")
+    public Day12() : base(2019, 12, "The N-Body Problem")
     {
         _moons = Input
             .Select(moon =>

AOC2019/Day13.cs

@@ -5,7 +5,7 @@ public sealed class Day13 : Day
     private readonly Dictionary<(int x, int y), int> _board;
     private readonly IntCodeVM _vm;
 
-    public Day13() : base(13, "Care Package")
+    public Day13() : base(2019, 13, "Care Package")
     {
         _vm = new(Input.First());
         _board = new Dictionary<(int, int), int>();

AOC2019/Day14.cs

@@ -6,7 +6,7 @@ public sealed class Day14 : Day
 
     private Dictionary<string, long> _available;
 
-    public Day14() : base(14, "Space Stoichiometry")
+    public Day14() : base(2019, 14, "Space Stoichiometry")
     {
         _reactions = Input
             .Select(Reaction.Parse)

AOC2019/Day15.cs

@@ -5,7 +5,7 @@ public sealed class Day15 : Day
     private readonly bool _verbose = false;
     private readonly IntCodeVM _vm;
 
-    public Day15() : base(15, "Oxygen System")
+    public Day15() : base(2019, 15, "Oxygen System")
     {
         _vm = new(Input.First());
     }

AOC2019/Day16.cs

@@ -5,7 +5,7 @@ public sealed class Day16 : Day
     private static readonly int[] BasePattern = { 0, 1, 0, -1 };
     private readonly int[] _initialList;
 
-    public Day16() : base(16, "Flawed Frequency Transmission")
+    public Day16() : base(2019, 16, "Flawed Frequency Transmission")
     {
         _initialList = Input.First().Select(c => int.Parse($"{c}")).ToArray();
     }

AOC2019/Day17.cs

@@ -4,7 +4,7 @@ public sealed class Day17 : Day
 {
     private readonly IntCodeVM _vm;
 
-    public Day17() : base(17, "Set and Forget")
+    public Day17() : base(2019, 17, "Set and Forget")
     {
         _vm = new(Input.First());
     }

AOC2019/Day18.cs

@@ -2,7 +2,7 @@
 
 public sealed class Day18 : Day
 {
-    public Day18() : base(18, "Many-Worlds Interpretation")
+    public Day18() : base(2019, 18, "Many-Worlds Interpretation")
     {
     }
 

AOC2019/Day19.cs

@@ -5,7 +5,7 @@ public sealed class Day19 : Day
     private readonly long[,] _grid;
     private readonly IntCodeVM _vm;
 
-    public Day19() : base(19, "Tractor Beam")
+    public Day19() : base(2019, 19, "Tractor Beam")
     {
         _vm = new(Input.First());
         _grid = new long[50, 50];

AOC2019/Day20.cs

@@ -2,7 +2,7 @@
 
 public sealed class Day20 : Day
 {
-    public Day20() : base(20, "Donut Maze")
+    public Day20() : base(2019, 20, "Donut Maze")
     {
     }
 

AOC2019/Day21.cs

@@ -4,7 +4,7 @@ public sealed class Day21 : Day
 {
     private readonly IntCodeVM _vm;
 
-    public Day21() : base(21, "Springdroid Adventure")
+    public Day21() : base(2019, 21, "Springdroid Adventure")
     {
         _vm = new(Input.First());
     }

AOC2019/Day22.cs

@@ -2,7 +2,7 @@
 
 public sealed class Day22 : Day
 {
-    public Day22() : base(22, "Slam Shuffle")
+    public Day22() : base(2019, 22, "Slam Shuffle")
     {
     }
 

AOC2019/Day23.cs

@@ -2,7 +2,7 @@ namespace AOC2019;
 
 public sealed class Day23 : Day
 {
-    public Day23() : base(23, "Category Six")
+    public Day23() : base(2019, 23, "Category Six")
     {
     }
 

AOC2019/Day24.cs

@@ -2,7 +2,7 @@
 
 public sealed class Day24 : Day
 {
-    public Day24() : base(24, "Planet of Discord")
+    public Day24() : base(2019, 24, "Planet of Discord")
     {
     }
 

AOC2019/Day25.cs

@@ -2,7 +2,7 @@
 
 public sealed class Day25 : Day
 {
-    public Day25() : base(25, "Cryostasis")
+    public Day25() : base(2019, 25, "Cryostasis")
     {
     }
 

AOC2019/Program.cs

@@ -1,21 +1,15 @@
-Day.Year = 2019;
+var days = Assembly.GetExecutingAssembly().GetTypes()
-
+    .Where(t => t.BaseType == typeof(Day))
-var days =
+    .Select(t => (Activator.CreateInstance(t) as Day)!)
-    Assembly.GetExecutingAssembly().GetTypes()
+    .OrderBy(d => d.DayNumber);
-        .Where(t => t.BaseType == typeof(Day))
-        .Select(t => Activator.CreateInstance(t) as Day)
-        .OrderBy(d => d?.DayNumber);
 
 if (args.Length == 1 && int.TryParse(args[0], out var dayNum))
 {
-    var day = days.FirstOrDefault(d => d?.DayNumber == dayNum);
+    var day = days.FirstOrDefault(d => d.DayNumber == dayNum);
-
+    if (day != null) day.AllParts();
-    if (day != null)
+    else Console.WriteLine($"Day {dayNum} invalid or not yet implemented");
-        day.AllParts();
-    else
-        Console.WriteLine($"{dayNum} invalid or not yet implemented");
 }
 else
 {
-    foreach (var d in days) d?.AllParts();
+    foreach (var d in days) d.AllParts();
 }

AOC2020/Day01.cs

@@ -7,7 +7,7 @@ public sealed class Day01 : Day
 {
     private readonly ImmutableHashSet<int> _entries;
 
-    public Day01() : base(1, "Report Repair") =>
+    public Day01() : base(2020, 1, "Report Repair") =>
         _entries = Input.Select(int.Parse).ToImmutableHashSet();
 
     public override string Part1()

AOC2020/Day02.cs

@@ -7,7 +7,7 @@ public sealed class Day02 : Day
 {
     private readonly ImmutableList<Password> _passwords;
 
-    public Day02() : base(2, "Password Philosophy") =>
+    public Day02() : base(2020, 2, "Password Philosophy") =>
         _passwords = Input.Select(p => new Password(p)).ToImmutableList();
 
     public override string Part1() =>

AOC2020/Day03.cs

@@ -8,7 +8,7 @@ public sealed class Day03 : Day
     private readonly string[] _grid;
     private readonly int _width;
 
-    public Day03() : base(3, "Toboggan Trajectory")
+    public Day03() : base(2020, 3, "Toboggan Trajectory")
     {
         _grid = Input.ToArray();
         _width = _grid[0].Length;

AOC2020/Day04.cs

@@ -7,9 +7,9 @@ public sealed class Day04 : Day
 {
     private readonly List<Passport> _passports;
 
-    public Day04() : base(4, "Passport Processing")
+    public Day04() : base(2020, 4, "Passport Processing")
     {
-        _passports = new List<Passport>();
+        _passports = new();
 
         var a = new List<string>();
         foreach (var line in Input)

AOC2020/Day05.cs

@@ -7,7 +7,7 @@ public sealed class Day05 : Day
 {
     private readonly ImmutableHashSet<int> _ids;
 
-    public Day05() : base(5, "Binary Boarding") =>
+    public Day05() : base(2020, 5, "Binary Boarding") =>
         _ids = Input
             .Select(s =>
                 Convert.ToInt32(s.Replace('F', '0').Replace('B', '1').Replace('L', '0').Replace('R', '1'), 2))

AOC2020/Day06.cs

@@ -8,7 +8,7 @@ public sealed class Day06 : Day
     private readonly int _countPart1;
     private readonly int _countPart2;
 
-    public Day06() : base(6, "Custom Customs")
+    public Day06() : base(2020, 6, "Custom Customs")
     {
         var alphabet = "abcedfghijklmnopqrstuvwxyz".ToCharArray();
         _countPart1 = 0;

AOC2020/Day07.cs

@@ -7,7 +7,7 @@ public sealed class Day07 : Day
 {
     private readonly Dictionary<string, IEnumerable<(int Weight, string Name)?>> _rules;
 
-    public Day07() : base(7, "Handy Haversacks") =>
+    public Day07() : base(2020, 7, "Handy Haversacks") =>
         _rules = Input
             .Select(rule =>
             {

AOC2020/Day08.cs

@@ -9,7 +9,7 @@ public sealed class Day08 : Day
     private int _accumulator;
     private int _currentInstruction;
 
-    public Day08() : base(8, "Handheld Halting") =>
+    public Day08() : base(2020, 8, "Handheld Halting") =>
         _instructions = Input.Select(ParseLine).ToArray();
 
     private static (string, int) ParseLine(string line)

AOC2020/Day09.cs

@@ -8,7 +8,7 @@ public sealed class Day09 : Day
     private readonly long[] _list;
     private long _part1;
 
-    public Day09() : base(9, "Encoding Error") =>
+    public Day09() : base(2020, 9, "Encoding Error") =>
         _list = Input.Select(long.Parse).ToArray();
 
     public override string Part1()

AOC2020/Day10.cs

@@ -8,7 +8,7 @@ public sealed class Day10 : Day
     private readonly int[] _adapters;
     private readonly long[] _memo;
 
-    public Day10() : base(10, "Adapter Array")
+    public Day10() : base(2020, 10, "Adapter Array")
     {
         var parsed = Input.Select(int.Parse).ToArray();
         // add socket and device to the list
@@ -42,7 +42,7 @@ public sealed class Day10 : Day
                 case 3:
                     threes++;
                     break;
-                default: throw new Exception("something went wrong");
+                default: throw new("something went wrong");
             }
 
         return $"{ones * threes}";

AOC2020/Day11.cs

@@ -5,7 +5,7 @@ namespace AOC2020;
 /// </summary>
 public sealed class Day11 : Day
 {
-    public Day11() : base(11, "Seating System")
+    public Day11() : base(2020, 11, "Seating System")
     {
     }
 

AOC2020/Day12.cs

@@ -5,7 +5,7 @@ namespace AOC2020;
 /// </summary>
 public sealed class Day12 : Day
 {
-    public Day12() : base(12, "Rain Risk")
+    public Day12() : base(2020, 12, "Rain Risk")
     {
     }
 

AOC2020/Day13.cs

@@ -9,7 +9,7 @@ public sealed class Day13 : Day
     private readonly long _earliest;
     private readonly string[] _fullSchedule;
 
-    public Day13() : base(13, "Shuttle Search")
+    public Day13() : base(2020, 13, "Shuttle Search")
     {
         _earliest = long.Parse(Input.First());
         _fullSchedule = Input.Last().Split(',');

AOC2020/Day14.cs

@@ -5,7 +5,7 @@ namespace AOC2020;
 /// </summary>
 public sealed class Day14 : Day
 {
-    public Day14() : base(14, "Docking Data")
+    public Day14() : base(2020, 14, "Docking Data")
     {
     }
 

AOC2020/Day15.cs

@@ -9,7 +9,7 @@ public sealed class Day15 : Day
     private int _current;
     private int _i;
 
-    public Day15() : base(15, "Rambunctious Recitation")
+    public Day15() : base(2020, 15, "Rambunctious Recitation")
     {
         var initial = Input.First().Split(',').Select(int.Parse).ToArray();
         _turns = new int[30_000_000];

AOC2020/Day16.cs

@@ -8,7 +8,7 @@ public sealed class Day16 : Day
     private readonly Dictionary<string, List<Range>> _rules;
     private readonly List<List<int>> _tickets;
 
-    public Day16() : base(16, "Ticket Translation")
+    public Day16() : base(2020, 16, "Ticket Translation")
     {
         _tickets = new();
         _rules = new();

AOC2020/Day17.cs

@@ -9,7 +9,7 @@ public sealed class Day17 : Day
     private readonly Dictionary<(int x, int y, int z, int w), char> _plane4 = new();
 
 
-    public Day17() : base(17, "Conway Cubes")
+    public Day17() : base(2020, 17, "Conway Cubes")
     {
         var input = Input.ToList();
 

AOC2020/Day18.cs

@@ -7,7 +7,7 @@ public sealed class Day18 : Day
 {
     private readonly List<string> _expressions;
 
-    public Day18() : base(18, "Operation Order") =>
+    public Day18() : base(2020, 18, "Operation Order") =>
         _expressions = Input.Select(line => line.Replace(" ", "")).ToList();
 
     private static long Calculate(string expr, Func<char, int> precedence)

AOC2020/Day19.cs

@@ -9,7 +9,7 @@ public sealed class Day19 : Day
     private readonly Dictionary<string, string[][]> _rules;
     private readonly Stack<string> _stack;
 
-    public Day19() : base(19, "Monster Messages")
+    public Day19() : base(2020, 19, "Monster Messages")
     {
         _rules = Input.TakeWhile(l => !string.IsNullOrWhiteSpace(l))
             .Select(l => l.Split(':'))

AOC2020/Day20.cs

@@ -5,7 +5,7 @@ namespace AOC2020;
 /// </summary>
 public sealed class Day20 : Day
 {
-    public Day20() : base(20, "Jurassic Jigsaw")
+    public Day20() : base(2020, 20, "Jurassic Jigsaw")
     {
     }
 
@@ -53,8 +53,8 @@ public sealed class Day20 : Day
 
         void AddConnection(PuzzlePiece p1, PuzzlePiece p2)
         {
-            if (!connections.ContainsKey(p1)) connections.Add(p1, new List<PuzzlePiece>());
+            if (!connections.ContainsKey(p1)) connections.Add(p1, new());
-            if (!connections.ContainsKey(p2)) connections.Add(p2, new List<PuzzlePiece>());
+            if (!connections.ContainsKey(p2)) connections.Add(p2, new());
             connections[p1].Add(p2);
             connections[p2].Add(p1);
         }
@@ -195,7 +195,7 @@ public sealed class Day20 : Day
         {
             var id = long.Parse(pieceWithId[0][5..^1]);
             var piece = pieceWithId[1..].Select(x => x.ToCharArray()).ToArray();
-            return new PuzzlePiece(id, piece);
+            return new(id, piece);
         }
 
         private PuzzlePiece(long id, char[][] piece)
@@ -203,14 +203,14 @@ public sealed class Day20 : Day
             Id = id;
             _piece = piece;
 
-            _topSide = new Lazy<string>(() => new string(piece[0]));
+            _topSide = new(() => new(piece[0]));
-            RightSide = new Lazy<string>(() => new string(piece.Select(line => line[^1]).ToArray()));
+            RightSide = new(() => new(piece.Select(line => line[^1]).ToArray()));
-            BottomSide = new Lazy<string>(() => new string(piece[^1].Reverse().ToArray()));
+            BottomSide = new(() => new(piece[^1].Reverse().ToArray()));
-            _leftSide = new Lazy<string>(() => new string(piece.Select(line => line[0]).Reverse().ToArray()));
+            _leftSide = new(() => new(piece.Select(line => line[0]).Reverse().ToArray()));
-            Sides = new Lazy<string[]>(() => new[]
+            Sides = new(() => new[]
                 { _topSide.Value, RightSide.Value, BottomSide.Value, _leftSide.Value });
-            SidesWithFlippedPaired = new Lazy<(string, string)[]>(() => CalculateSidesWithFlipped(this));
+            SidesWithFlippedPaired = new(() => CalculateSidesWithFlipped(this));
-            AllSidesWithFlipped = new Lazy<HashSet<string>>(() => CalculateAllSidesWithFlipped(this));
+            AllSidesWithFlipped = new(() => CalculateAllSidesWithFlipped(this));
         }
 
         public override bool Equals(object? obj) => obj is PuzzlePiece piece && Id == piece.Id;
@@ -218,10 +218,10 @@ public sealed class Day20 : Day
         public override string ToString() => Id.ToString();
 
         public PuzzlePiece TransformSoTopMatchesWith(string sideToMatch) =>
-            TransformSoSideMatchesWith(new string(sideToMatch.Reverse().ToArray()), p => p._topSide.Value);
+            TransformSoSideMatchesWith(new(sideToMatch.Reverse().ToArray()), p => p._topSide.Value);
 
         public PuzzlePiece TransformSoLeftMatchesWith(string sideToMatch) =>
-            TransformSoSideMatchesWith(new string(sideToMatch.Reverse().ToArray()), p => p._leftSide.Value);
+            TransformSoSideMatchesWith(new(sideToMatch.Reverse().ToArray()), p => p._leftSide.Value);
 
         private PuzzlePiece TransformSoSideMatchesWith(string sideToMatch, Func<PuzzlePiece, string> getSide)
         {
@@ -246,10 +246,10 @@ public sealed class Day20 : Day
         private static (string, string)[] CalculateSidesWithFlipped(PuzzlePiece piece) =>
             new (string, string)[]
             {
-                (piece._topSide.Value, new string(piece._topSide.Value.Reverse().ToArray())),
+                (piece._topSide.Value, new(piece._topSide.Value.Reverse().ToArray())),
-                (piece.RightSide.Value, new string(piece.RightSide.Value.Reverse().ToArray())),
+                (piece.RightSide.Value, new(piece.RightSide.Value.Reverse().ToArray())),
-                (piece.BottomSide.Value, new string(piece.BottomSide.Value.Reverse().ToArray())),
+                (piece.BottomSide.Value, new(piece.BottomSide.Value.Reverse().ToArray())),
-                (piece._leftSide.Value, new string(piece._leftSide.Value.Reverse().ToArray())),
+                (piece._leftSide.Value, new(piece._leftSide.Value.Reverse().ToArray())),
             };
 
         private static HashSet<string> CalculateAllSidesWithFlipped(PuzzlePiece piece) =>

AOC2020/Day21.cs

@@ -8,7 +8,7 @@ public sealed class Day21 : Day
     private readonly IEnumerable<(string[] Allergens, string[] Ingredients)> _parsedFoods;
     private readonly IEnumerable<(string Allergen, string Ingredient)> _dangerousFoods;
 
-    public Day21() : base(21, "Allergen Assessment")
+    public Day21() : base(2020, 21, "Allergen Assessment")
     {
         _parsedFoods = Input.Select(line => line.TrimEnd(')').Split(" (contains "))
             .Select(split => (Allergens: split[1].Split(", "), Ingredients: split[0].Split(' ')));

AOC2020/Day22.cs

@@ -8,7 +8,7 @@ public sealed class Day22 : Day
     private readonly Queue<int> _deck1 = new();
     private readonly Queue<int> _deck2 = new();
 
-    public Day22() : base(22, "Crab Combat")
+    public Day22() : base(2020, 22, "Crab Combat")
     {
         Reset();
     }
@@ -47,7 +47,7 @@ public sealed class Day22 : Day
                 if (seen1.Contains(deck1Hash) || seen2.Contains(deck2Hash))
                 {
                     // player1 wins
-                    return (deck1, new Queue<int>());
+                    return (deck1, new());
                 }
                 else
                 {
@@ -85,7 +85,7 @@ public sealed class Day22 : Day
     }
 
     private (Queue<int> deck1, Queue<int> deck2) Play(IEnumerable<int> enumerable1, IEnumerable<int> enumerable2, bool recursive) =>
-        Play(new Queue<int>(enumerable1), new Queue<int>(enumerable2), recursive);
+        Play(new(enumerable1), new(enumerable2), recursive);
 
     private static int CalculateScore(Queue<int> deck) =>
         deck.Reverse().Zip(Enumerable.Range(1, deck.Count), (a, b) => a * b).Sum();

AOC2020/Day23.cs

@@ -10,7 +10,7 @@ public sealed class Day23 : Day
     private readonly long[] _move;
     private long _current;
 
-    public Day23() : base(23, "Crab Cups")
+    public Day23() : base(2020, 23, "Crab Cups")
     {
         _initialCups = Input.First().Select(c => long.Parse(c.ToString())).ToImmutableList();
         _current = _initialCups.First();

AOC2020/Day24.cs

@@ -17,7 +17,7 @@ public sealed class Day24 : Day
 
     private Dictionary<(int q, int r, int s), Tile> _tiles;
 
-    public Day24() : base(24, "Lobby Layout")
+    public Day24() : base(2020, 24, "Lobby Layout")
     {
         _tiles = Input
             .Select(Tile.FromLine)
@@ -72,7 +72,7 @@ public sealed class Day24 : Day
                 direction = "";
             }
 
-            return new Tile { Location = location };
+            return new() { Location = location };
         }
 
         public static Tile operator +(Tile t, (int q, int r, int s) direction) =>

AOC2020/Day25.cs

@@ -5,7 +5,7 @@ namespace AOC2020;
 /// </summary>
 public sealed class Day25 : Day
 {
-    public Day25() : base(25, "Combo Breaker")
+    public Day25() : base(2020, 25, "Combo Breaker")
     {
     }
 

AOC2020/Program.cs

@@ -1,6 +1,4 @@
-Day.Year = 2020;
+var days = Assembly.GetExecutingAssembly().GetTypes()
-
-var days = Assembly.GetExecutingAssembly().GetTypes()
     .Where(t => t.BaseType == typeof(Day))
     .Select(t => (Activator.CreateInstance(t) as Day)!)
     .OrderBy(d => d.DayNumber);
@@ -14,4 +12,4 @@ if (args.Length == 1 && int.TryParse(args[0], out var dayNum))
 else
 {
     foreach (var d in days) d.AllParts();
-}
+}

AOC2021/Day01.cs

@@ -7,7 +7,7 @@ public sealed class Day01 : Day
 {
     private readonly List<int> _readings;
     
-    public Day01() : base(1, "Sonar Sweep")
+    public Day01() : base(2021, 1, "Sonar Sweep")
     {
         _readings = Input.Select(int.Parse).ToList();
     }

AOC2021/Day02.cs

@@ -5,7 +5,7 @@
 /// </summary>
 public sealed class Day02 : Day
 {
-    public Day02() : base(2, "Dive!")
+    public Day02() : base(2021, 2, "Dive!")
     {
     }
 

AOC2021/Day03.cs

@@ -7,7 +7,7 @@ public sealed class Day03 : Day
 {
     private readonly List<string> _report;
     
-    public Day03() : base(3, "Binary Diagnostic")
+    public Day03() : base(2021, 3, "Binary Diagnostic")
     {
         _report = Input.ToList();
     }

AOC2021/Day04.cs

@@ -9,7 +9,7 @@ public sealed class Day04 : Day
     private readonly List<List<int>> _boards;
     private readonly int _size;
     
-    public Day04() : base(4, "Giant Squid")
+    public Day04() : base(2021, 4, "Giant Squid")
     {
         _call = Input.First().Split(',').Select(int.Parse).ToList();
         _boards = new();

AOC2021/Day05.cs

@@ -5,7 +5,7 @@
 /// </summary>
 public sealed class Day05 : Day
 {
-    public Day05() : base(5, "Hydrothermal Venture")
+    public Day05() : base(2021, 5, "Hydrothermal Venture")
     {
     }
 

AOC2021/Day06.cs

@@ -7,7 +7,7 @@ public sealed class Day06 : Day
 {
     private readonly long _p1, _p2;
 
-    public Day06() : base(6, "Lanternfish")
+    public Day06() : base(2021, 6, "Lanternfish")
     {
         var fishes = Input.First().Split(',').Select(long.Parse).ToList();
         Dictionary<long, long> counts = new();

AOC2021/Day07.cs

@@ -7,7 +7,7 @@ public sealed class Day07 : Day
 {
     private readonly List<long> _tape;
     
-    public Day07() : base(7, "The Treachery of Whales")
+    public Day07() : base(2021, 7, "The Treachery of Whales")
     {
         _tape = Input.First().Split(',').Select(long.Parse).OrderBy(i => i).ToList();
     }

AOC2021/Day08.cs

@@ -8,7 +8,7 @@ public sealed class Day08 : Day
     private static readonly List<char[]> PossibleMappings =
         "abcdefg".ToCharArray().Permute().Select(m => m.ToArray()).ToList();
     
-    public Day08() : base(8, "Seven Segment Search")
+    public Day08() : base(2021, 8, "Seven Segment Search")
     {
     }
 

AOC2021/Day09.cs

@@ -11,7 +11,7 @@ public sealed class Day09 : Day
     private readonly List<(int x, int y)> _lowPoints;
     private readonly List<string> _map;
 
-    public Day09() : base(9, "Smoke Basin")
+    public Day09() : base(2021, 9, "Smoke Basin")
     {
         _part1Sum = 0;
         _lowPoints = new();

AOC2021/Day10.cs

@@ -32,7 +32,7 @@ public sealed class Day10 : Day
     private readonly long _score1;
     private readonly List<long> _scores2 = new();
 
-    public Day10() : base(10, "Syntax Scoring")
+    public Day10() : base(2021, 10, "Syntax Scoring")
     {
         _score1 = 0L;
         foreach (var line in Input)

AOC2021/Day11.cs

@@ -9,7 +9,7 @@ public sealed class Day11 : Day
     private readonly int _flashesAfter100, _totalTurns;
     private readonly int[][] _octopusField;
     
-    public Day11() : base(11, "Dumbo Octopus")
+    public Day11() : base(2021, 11, "Dumbo Octopus")
     {
         _octopusField = Input.Select(line => line.Select(c => int.Parse($"{c}")).ToArray()).ToArray();
 

AOC2021/Day12.cs

@@ -7,7 +7,7 @@ public sealed class Day12 : Day
 {
     private readonly Dictionary<string, List<string>> _edges = new();
 
-    public Day12() : base(12, "Passage Pathing")
+    public Day12() : base(2021, 12, "Passage Pathing")
     {
         foreach (var line in Input)
         {

AOC2021/Day13.cs

@@ -10,7 +10,7 @@ public sealed class Day13 : Day
     private List<(int x, int y)> _dots;
     private readonly List<(char axis, int index)> _folds;
     
-    public Day13() : base(13, "Transparent Origami")
+    public Day13() : base(2021, 13, "Transparent Origami")
     {
         var s = Input.Split("").ToList();
         

AOC2021/Day14.cs

@@ -8,7 +8,7 @@ public sealed class Day14 : Day
     private readonly string _template;
     private readonly Dictionary<string, string> _substitutionPairs;
 
-    public Day14() : base(14, "Extended Polymerization")
+    public Day14() : base(2021, 14, "Extended Polymerization")
     {
         _template = Input.First();
         _substitutionPairs = Input.Skip(2).Select(l => l.Split(" -> ")).ToDictionary(k => k[0], v => v[1]);

AOC2021/Day15.cs

@@ -19,7 +19,7 @@ public sealed class Day15 : Day
     private readonly Dictionary<(int x, int y), Node> _grid;
     private readonly int _width;
 
-    public Day15() : base(15, "Chiton")
+    public Day15() : base(2021, 15, "Chiton")
     {
         _grid = Input
             .SelectMany((line, y) =>

AOC2021/Day16.cs

@@ -7,7 +7,7 @@ public sealed class Day16 : Day
 {
     private readonly Packet _packet;
 
-    public Day16() : base(16, "Packet Decoder")
+    public Day16() : base(2021, 16, "Packet Decoder")
     {
         var bits = string.Join(string.Empty,
             Input.First().Select(c => Convert.ToString(Convert.ToInt32(c.ToString(), 16), 2).PadLeft(4, '0')));

AOC2021/Day17.cs

@@ -7,7 +7,7 @@ public sealed class Day17 : Day
 {
     private readonly List<int> _target;
 
-    public Day17() : base(17, "Trick Shot")
+    public Day17() : base(2021, 17, "Trick Shot")
     {
         _target = Input.First()
             .Split(' ', StringSplitOptions.TrimEntries | StringSplitOptions.RemoveEmptyEntries)

AOC2021/Day18.cs

@@ -7,7 +7,7 @@ public sealed class Day18 : Day
 {
     private readonly List<string> _fishes;
 
-    public Day18() : base(18, "Snailfish")
+    public Day18() : base(2021, 18, "Snailfish")
     {
         _fishes = Input.ToList();
     }

AOC2021/Day19.cs

@@ -11,7 +11,7 @@ public sealed class Day19 : Day
     private readonly List<HashSet<Vector3>> _scans;
     private List<HashSet<Vector3>> _scanners = new();
 
-    public Day19() : base(19, "Beacon Scanner")
+    public Day19() : base(2021, 19, "Beacon Scanner")
     {
         _scans = Input
             .Aggregate(new List<HashSet<Vector3>>(), (list, line) =>

AOC2021/Day20.cs

@@ -8,7 +8,7 @@ public sealed class Day20 : Day
     private readonly ImmutableArray<bool> _enhancementAlgorithm;
     private readonly Image _initialImage;
 
-    public Day20() : base(20, "Trench Map")
+    public Day20() : base(2021, 20, "Trench Map")
     {
         _enhancementAlgorithm = Input.First().Select(ch => ch == '#').ToImmutableArray();
         _initialImage = Parse(Input.Skip(2).ToList());

AOC2021/Day21.cs

@@ -11,7 +11,7 @@ public sealed class Day21 : Day
     private int _rollCount;
     private ulong _player1Victories, _player2Victories;
 
-    public Day21() : base(21, "Dirac Dice")
+    public Day21() : base(2021, 21, "Dirac Dice")
     {
         var s = Input
             .Select(l => l.Split(": ")[1])

AOC2021/Day22.cs

@@ -7,7 +7,7 @@ public sealed class Day22 : Day
 {
     private readonly List<Instruction> _instructions = new();
     
-    public Day22() : base(22, "Reactor Reboot")
+    public Day22() : base(2021, 22, "Reactor Reboot")
     {
         foreach (var line in Input)
         {

AOC2021/Day23.cs

@@ -7,7 +7,7 @@ public sealed class Day23 : Day
 {
     private readonly List<char> _crabs;
 
-    public Day23() : base(23, "Amphipod")
+    public Day23() : base(2021, 23, "Amphipod")
     {
         _crabs = Input.SelectMany(l => l).Where(char.IsLetter).ToList();
     }

AOC2021/Day24.cs

@@ -7,7 +7,7 @@ public sealed class Day24 : Day
 {
     private readonly Dictionary<int, (int x, int y)> _keys = new();
 
-    public Day24() : base(24, "Arithmetic Logic Unit")
+    public Day24() : base(2021, 24, "Arithmetic Logic Unit")
     {
         var lines = Input.ToList();
         var pairs = Enumerable.Range(0, 14)

AOC2021/Day25.cs

@@ -7,7 +7,7 @@ public sealed class Day25 : Day
 {
     private readonly char[][] _cucumbers;
 
-    public Day25() : base(25, "Sea Cucumber")
+    public Day25() : base(2021, 25, "Sea Cucumber")
     {
         _cucumbers = Input.Select(l => l.ToCharArray()).ToArray();
     }

AOC2021/Program.cs

@@ -1,6 +1,4 @@
-Day.Year = 2021;
+var days = Assembly.GetExecutingAssembly().GetTypes()
-
-var days = Assembly.GetExecutingAssembly().GetTypes()
     .Where(t => t.BaseType == typeof(Day))
     .Select(t => (Activator.CreateInstance(t) as Day)!)
     .OrderBy(d => d.DayNumber);

AOC2022/AOC2022.csproj

@@ -0,0 +1,29 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>Exe</OutputType>
+        <TargetFramework>net6.0</TargetFramework>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <Nullable>enable</Nullable>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <None Update="input2022\*.in">
+            <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+        </None>
+    </ItemGroup>
+
+    <ItemGroup>
+        <Using Include="AOC.Common" />
+        <Using Include="System.Collections.Generic" />
+        <Using Include="System.Collections.Immutable" />
+        <Using Include="System.Diagnostics" />
+        <Using Include="System.Reflection" />
+        <Using Include="System.Text" />
+        <Using Include="System.Text.RegularExpressions" />
+    </ItemGroup>
+    <ItemGroup>
+        <ProjectReference Include="..\AOC.Common\AOC.Common.csproj" />
+    </ItemGroup>
+
+</Project>

AOC2022/Day01.cs

@@ -0,0 +1,21 @@
+namespace AOC2022;
+
+/// <summary>
+/// Day 1: <see href="https://adventofcode.com/2022/day/1"/>
+/// </summary>
+public sealed class Day01 : Day
+{
+    public Day01() : base(2022, 1, "Day 1 Puzzle Name")
+    {
+    }
+
+    public override object Part1()
+    {
+        return "";
+    }
+
+    public override object Part2()
+    {
+        return "";
+    }
+}

AOC2022/Program.cs

@@ -0,0 +1,15 @@
+var days = Assembly.GetExecutingAssembly().GetTypes()
+    .Where(t => t.BaseType == typeof(Day))
+    .Select(t => (Activator.CreateInstance(t) as Day)!)
+    .OrderBy(d => d.DayNumber);
+
+if (args.Length == 1 && int.TryParse(args[0], out var dayNum))
+{
+    var day = days.FirstOrDefault(d => d.DayNumber == dayNum);
+    if (day != null) day.AllParts();
+    else Console.WriteLine($"Day {dayNum} invalid or not yet implemented");
+}
+else
+{
+    foreach (var d in days) d.AllParts();
+}

AdventOfCode.sln

@@ -10,6 +10,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AOC.Common", "AOC.Common\AO
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AOC.Test", "AOC.Test\AOC.Test.csproj", "{8A2E8FC3-BC6B-4C7D-B7B2-C949DB484C88}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AOC2022", "AOC2022\AOC2022.csproj", "{AF6D6164-420C-45B6-BCF3-1729D7374986}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -36,5 +38,9 @@ Global
 		{8A2E8FC3-BC6B-4C7D-B7B2-C949DB484C88}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{8A2E8FC3-BC6B-4C7D-B7B2-C949DB484C88}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{8A2E8FC3-BC6B-4C7D-B7B2-C949DB484C88}.Release|Any CPU.Build.0 = Release|Any CPU
+		{AF6D6164-420C-45B6-BCF3-1729D7374986}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{AF6D6164-420C-45B6-BCF3-1729D7374986}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{AF6D6164-420C-45B6-BCF3-1729D7374986}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{AF6D6164-420C-45B6-BCF3-1729D7374986}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal