Day 2 solution for part 1

AdventOfCode23.sln

@@ -5,6 +5,8 @@ VisualStudioVersion = 17.0.31903.59
 MinimumVisualStudioVersion = 10.0.40219.1
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day1", "Day1\Day1.csproj", "{5B10DC55-7CC1-4570-B9A6-3200ADCC336B}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Day2", "Day2\Day2.csproj", "{1FB701F9-05FA-4D1D-97E5-9355C683E3D0}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -18,5 +20,9 @@ Global
 		{5B10DC55-7CC1-4570-B9A6-3200ADCC336B}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{5B10DC55-7CC1-4570-B9A6-3200ADCC336B}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{5B10DC55-7CC1-4570-B9A6-3200ADCC336B}.Release|Any CPU.Build.0 = Release|Any CPU
+		{1FB701F9-05FA-4D1D-97E5-9355C683E3D0}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1FB701F9-05FA-4D1D-97E5-9355C683E3D0}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1FB701F9-05FA-4D1D-97E5-9355C683E3D0}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1FB701F9-05FA-4D1D-97E5-9355C683E3D0}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal

Day2/Day2.csproj

@@ -0,0 +1,25 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>Exe</OutputType>
+    <TargetFramework>net8.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <None Update="inputs\lan-input.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="inputs\sample-input.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="inputs\sample-input2.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+    <None Update="inputs\lar-input.txt">
+      <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
+    </None>
+  </ItemGroup>
+
+</Project>

Day2/GameParser.cs

@@ -0,0 +1,53 @@
+using System.Text.RegularExpressions;
+
+namespace Day2;
+
+public partial class GameParser
+{
+    [GeneratedRegex(@"^Game (\d+):(.*)$")]
+    private partial Regex GameMatcher();
+
+    [GeneratedRegex(@"(\d+)\s+(\w+)")]
+    private partial Regex ItemMatcher();
+    
+    public GameParser()
+    {
+    }
+
+    public IEnumerable<GameSamples> Parse(string inputFile)
+    {
+        using var reader = File.OpenText(inputFile);
+        while (!reader.EndOfStream)
+        {
+            var line = reader.ReadLine()!;
+            var match = GameMatcher().Match(line);
+            if (!match.Success)
+            {
+                throw new Exception($"Line not matching expected Game format: {line}");
+            }
+
+            var id = int.Parse(match.Groups[1].Value);
+            var samples = new List<SampleSet>();
+            foreach (var set in match.Groups[2].Value.Split(';', StringSplitOptions.TrimEntries))
+            {
+                var map = new Dictionary<string, int>();
+                foreach (var item in set.Split(',', StringSplitOptions.TrimEntries))
+                {
+                    var itemMatch = ItemMatcher().Match(item);
+                    if (!itemMatch.Success)
+                    {
+                        throw new Exception($"Item content is invalid: {item}");
+                    }
+                    map[itemMatch.Groups[2].Value.ToLower()] = int.Parse(itemMatch.Groups[1].Value);
+                }
+                
+                samples.Add(new SampleSet(
+                    map.GetValueOrDefault("red"),
+                    map.GetValueOrDefault("green"),
+                    map.GetValueOrDefault("blue")));
+            }
+
+            yield return new GameSamples(id, samples);
+        }
+    }
+}

Day2/GameSamples.cs

@@ -0,0 +1,14 @@
+namespace Day2;
+
+public record GameSamples(int Id, IList<SampleSet> Samples)
+{
+    public void Print()
+    {
+        Console.WriteLine($"Game #{Id}");
+        foreach (var sample in Samples)
+        {
+            sample.Print();
+        }
+        Console.WriteLine();
+    }
+}

Day2/Program.cs

@@ -0,0 +1,48 @@
+using Day2;
+
+if (args.Length < 2)
+{
+    Console.WriteLine("Requires 2 args: inputFileName expected");
+    return -1;
+}
+
+var inputFile = args[0];
+var numbers = args[1].Split(',').Select(x => int.Parse(x)).ToList();
+if (numbers.Count < 3)
+{
+    Console.WriteLine("Requires 3 expected values R,G,B");
+    return -1;
+}
+
+var expected = new SampleSet(numbers[0], numbers[1], numbers[2]); 
+var parser = new GameParser();
+var sum = 0;
+
+foreach (var game in parser.Parse(inputFile))
+{
+    game.Print();
+    var pass = true;
+    foreach (var set in game.Samples)
+    {
+        if (set.Red > expected.Red || set.Green > expected.Green || set.Blue > expected.Blue)
+        {
+            pass = false;
+            break;
+        }
+    }
+
+    if (pass)
+    {
+        Console.WriteLine("PASS");
+        sum += game.Id;
+    }
+    else
+    {
+        Console.WriteLine("FAIL");
+    }
+}
+
+Console.WriteLine();
+Console.WriteLine(sum);
+
+return 0;

Day2/SampleSet.cs

@@ -0,0 +1,9 @@
+namespace Day2;
+
+public record SampleSet(int Red, int Green, int Blue)
+{
+    public void Print()
+    {
+        Console.WriteLine($"R {Red}, G {Green}, B {Blue}");
+    }
+}

Day2/inputs/input-lar.txt

@@ -0,0 +1,100 @@
+Game 1: 13 green, 3 red; 4 red, 9 green, 4 blue; 9 green, 10 red, 2 blue
+Game 2: 3 red, 8 green, 1 blue; 4 green, 11 blue, 2 red; 3 blue, 2 red, 6 green; 5 green, 15 blue, 1 red; 2 blue, 2 red, 5 green; 12 blue, 7 green, 2 red
+Game 3: 1 red, 9 green, 3 blue; 8 green, 4 red, 11 blue; 6 red, 10 blue; 6 green, 6 red, 12 blue; 2 blue, 11 green, 7 red; 12 blue, 9 green, 8 red
+Game 4: 7 red, 2 green, 1 blue; 12 green; 12 green
+Game 5: 15 red, 3 green, 1 blue; 6 red, 2 blue, 2 green; 3 green, 3 red, 1 blue; 2 blue, 13 red, 5 green; 2 green, 15 red, 2 blue
+Game 6: 3 blue, 15 red, 1 green; 8 green, 5 red, 6 blue; 9 green, 5 blue, 6 red; 9 green, 3 blue, 9 red; 10 green, 14 red, 2 blue
+Game 7: 6 green, 1 red, 11 blue; 6 green, 1 red, 3 blue; 4 green, 20 blue; 2 red, 5 blue, 4 green; 10 green, 17 blue
+Game 8: 10 blue, 9 green, 10 red; 9 green, 1 red; 8 red, 9 green, 9 blue; 5 green, 3 red, 7 blue
+Game 9: 7 blue, 1 red; 5 red, 4 green; 4 green, 6 red, 5 blue; 2 green, 4 blue; 3 green, 6 blue, 4 red; 1 green, 3 red, 3 blue
+Game 10: 2 red, 2 green, 2 blue; 10 blue, 2 red, 1 green; 2 green, 9 blue, 3 red
+Game 11: 8 red, 4 blue, 1 green; 3 red; 1 green; 2 green, 3 blue
+Game 12: 10 red, 2 green, 4 blue; 4 red, 2 green; 1 blue, 1 red, 1 green; 10 red, 1 green, 5 blue
+Game 13: 20 blue, 9 green, 7 red; 13 red, 13 blue, 16 green; 17 blue, 6 red, 6 green; 1 red, 1 blue, 9 green; 9 blue, 18 green, 7 red
+Game 14: 6 blue, 14 red; 9 red, 8 blue; 2 red, 1 green, 8 blue; 3 blue, 1 green, 9 red; 8 blue, 2 green, 1 red
+Game 15: 3 red, 1 blue, 5 green; 2 red, 3 green; 5 red, 5 green, 1 blue; 2 green, 6 red; 4 red, 1 blue; 6 red, 1 blue, 1 green
+Game 16: 5 blue, 7 red, 2 green; 7 red, 12 blue; 10 blue, 11 green, 5 red; 11 red, 11 blue, 10 green
+Game 17: 3 red, 7 blue; 1 blue, 14 green, 4 red; 11 blue, 4 red, 11 green; 18 blue, 5 red, 11 green; 18 blue, 1 red, 8 green
+Game 18: 8 green, 2 red, 6 blue; 8 blue, 11 green; 2 red, 11 blue, 9 green
+Game 19: 11 red, 9 green, 3 blue; 19 green, 9 red, 2 blue; 19 green, 4 blue, 4 red; 1 green, 11 red; 10 red, 2 green, 4 blue
+Game 20: 2 blue, 3 red, 1 green; 1 red, 3 green; 7 blue, 1 green, 4 red; 1 red, 8 blue, 7 green; 6 blue, 3 red; 5 red, 3 blue, 7 green
+Game 21: 1 green, 1 blue, 10 red; 1 green, 5 red, 8 blue; 11 red, 4 blue; 6 blue, 6 red
+Game 22: 6 blue, 6 green; 8 green, 15 blue; 8 green, 3 blue, 1 red; 11 blue, 2 red, 7 green
+Game 23: 1 green, 3 blue, 7 red; 4 red, 1 green, 2 blue; 3 red, 2 blue, 2 green
+Game 24: 4 green, 8 blue, 4 red; 2 green, 9 blue; 4 green, 1 red; 2 green, 5 blue, 1 red; 2 blue, 3 red, 3 green; 6 blue
+Game 25: 7 blue; 15 blue, 5 red; 6 blue, 12 red; 1 green, 17 red; 13 blue, 5 red; 17 red
+Game 26: 1 blue, 3 green, 7 red; 9 red, 4 green, 1 blue; 1 red, 2 green, 1 blue; 11 red, 3 green; 10 red, 4 green, 2 blue; 6 red, 4 green
+Game 27: 4 blue, 6 red; 2 blue, 8 red, 1 green; 3 blue, 3 red; 2 red, 1 blue; 1 green, 3 blue, 6 red
+Game 28: 1 red, 7 blue, 7 green; 2 green, 1 red, 4 blue; 8 green, 2 red; 2 red, 7 blue, 5 green; 12 green, 5 blue, 2 red; 1 red, 1 green, 2 blue
+Game 29: 10 green, 3 red, 6 blue; 9 green, 6 blue, 4 red; 3 red, 2 blue, 17 green
+Game 30: 8 blue; 15 blue, 1 red; 10 green, 2 red, 13 blue
+Game 31: 10 green, 2 blue, 7 red; 2 green, 1 blue; 1 blue, 15 green, 2 red; 7 green, 2 blue; 3 blue, 6 green, 8 red; 6 red, 1 blue
+Game 32: 2 blue, 2 red, 11 green; 10 green, 2 red, 1 blue; 1 green, 2 blue; 2 red, 9 green, 2 blue; 2 blue, 1 green; 5 green, 1 blue, 2 red
+Game 33: 8 red, 6 blue; 2 green, 3 red, 2 blue; 1 green, 13 red, 18 blue
+Game 34: 7 blue, 5 green; 5 green, 8 blue; 13 blue, 15 red, 2 green
+Game 35: 1 blue, 2 green; 9 green; 4 red, 14 green; 1 red, 1 blue, 17 green
+Game 36: 2 red, 14 green, 4 blue; 13 green, 3 blue; 1 blue, 7 green, 2 red; 4 blue, 9 green; 1 green, 3 blue, 1 red; 2 red, 4 blue, 10 green
+Game 37: 2 blue, 7 green, 5 red; 5 green, 2 blue; 6 blue, 11 red
+Game 38: 6 green, 6 red; 9 red, 10 green; 2 blue, 8 green, 8 red
+Game 39: 10 red, 3 blue; 5 green, 3 red; 5 red, 7 green
+Game 40: 5 red, 14 green, 2 blue; 5 red, 7 blue, 12 green; 2 green, 4 red; 1 red, 16 green, 3 blue; 16 green, 4 red, 7 blue; 9 green, 2 red
+Game 41: 4 red, 3 green, 2 blue; 13 green, 6 blue; 2 red, 14 green, 1 blue; 7 blue, 2 red, 14 green
+Game 42: 4 red; 1 blue, 5 red; 1 green, 6 red; 1 red, 1 blue; 3 blue, 8 red
+Game 43: 7 blue, 16 red, 1 green; 2 red, 6 green, 1 blue; 5 green, 3 red; 5 green, 9 blue, 2 red; 3 red, 9 blue, 4 green; 7 red, 9 blue
+Game 44: 2 red, 2 green; 5 red, 1 blue, 8 green; 7 green, 3 blue, 5 red
+Game 45: 8 blue, 16 red; 8 blue; 4 blue, 1 green, 8 red
+Game 46: 11 green, 9 blue, 1 red; 8 green, 7 blue; 10 blue, 1 red, 1 green; 12 green, 10 blue
+Game 47: 3 green, 6 red, 1 blue; 2 blue, 2 green, 12 red; 3 red, 2 green, 1 blue
+Game 48: 3 red, 3 green, 3 blue; 3 red, 4 green, 2 blue; 2 green, 7 red, 1 blue; 2 red, 3 blue, 5 green
+Game 49: 5 red, 7 blue, 5 green; 10 red, 4 green, 7 blue; 9 red, 17 green; 6 green, 1 red, 2 blue; 7 green, 8 blue, 5 red
+Game 50: 2 red, 4 green, 16 blue; 4 blue, 3 red, 8 green; 4 blue, 2 red, 6 green
+Game 51: 16 green, 10 red, 14 blue; 8 red, 4 blue, 12 green; 14 green, 7 blue; 6 red, 20 green, 3 blue
+Game 52: 1 red, 1 blue, 1 green; 9 green, 9 red; 4 green, 13 red; 7 red, 11 green; 4 red, 1 blue; 8 green, 3 red, 1 blue
+Game 53: 4 green, 11 blue; 9 green, 2 red; 6 red, 18 green, 13 blue; 6 red, 2 blue, 14 green
+Game 54: 1 green, 1 red, 1 blue; 2 green, 4 blue; 4 blue, 5 green; 3 blue, 1 red, 10 green
+Game 55: 8 blue, 2 red, 3 green; 9 red, 11 blue; 1 green, 12 blue, 4 red; 3 green, 17 red; 3 red, 3 green, 15 blue; 7 blue, 7 red, 2 green
+Game 56: 3 blue, 13 green; 9 green, 2 blue; 1 red, 2 blue, 16 green
+Game 57: 6 blue, 4 red; 3 green, 6 red; 2 red, 3 blue, 3 green; 8 red, 5 blue
+Game 58: 4 red, 15 green, 5 blue; 1 red, 16 blue, 14 green; 2 green, 17 blue, 6 red; 20 blue, 3 red, 7 green; 17 green, 1 red, 12 blue
+Game 59: 3 blue, 14 red; 5 green, 10 red, 2 blue; 2 blue, 5 red, 6 green
+Game 60: 4 red, 1 blue, 1 green; 15 blue; 8 green, 14 blue, 4 red; 9 blue, 3 green, 4 red; 4 green, 2 red, 11 blue; 4 blue, 7 green
+Game 61: 5 green, 9 blue, 16 red; 4 blue, 12 green, 4 red; 17 red, 7 green, 5 blue; 19 blue, 12 red, 17 green; 8 green, 13 red
+Game 62: 13 green, 1 red, 7 blue; 9 blue, 1 red, 4 green; 14 green, 2 red, 2 blue; 3 green
+Game 63: 6 green; 7 red, 3 blue, 8 green; 5 blue, 1 green, 6 red; 6 green, 6 red, 2 blue; 8 green, 2 blue
+Game 64: 16 blue, 1 red, 2 green; 4 green, 1 blue, 6 red; 6 green, 2 blue, 2 red; 17 blue; 1 red; 13 blue, 6 green, 1 red
+Game 65: 8 red, 3 green, 7 blue; 6 blue, 8 red, 2 green; 2 blue, 3 green, 17 red
+Game 66: 2 blue, 3 green, 3 red; 3 red, 2 blue; 5 red, 4 green, 3 blue; 1 blue, 3 green; 2 red, 1 green, 1 blue; 2 blue, 4 green
+Game 67: 2 red, 3 blue, 15 green; 2 blue, 2 red, 17 green; 4 blue, 3 red, 2 green; 6 red; 3 red, 8 green
+Game 68: 7 red, 1 blue, 12 green; 17 red, 1 green; 10 red, 8 green; 16 red, 5 green, 2 blue; 4 red, 1 blue, 8 green; 8 green, 7 red, 2 blue
+Game 69: 17 green, 9 red, 2 blue; 1 blue, 14 green, 3 red; 9 red, 12 green, 2 blue; 11 green, 2 blue, 7 red
+Game 70: 1 green, 8 blue, 2 red; 2 red, 10 green, 1 blue; 1 red, 12 green, 6 blue; 9 green, 4 blue, 4 red; 2 red, 6 green; 3 red, 8 green, 6 blue
+Game 71: 1 red, 5 blue; 12 blue, 3 red; 3 red, 2 green, 4 blue; 5 blue, 3 green, 1 red
+Game 72: 11 red, 6 blue; 1 red, 1 blue, 1 green; 2 blue, 7 red; 18 blue, 3 red; 1 green, 1 blue, 12 red
+Game 73: 4 red, 2 blue, 1 green; 3 red; 5 red, 1 blue; 4 blue, 6 red
+Game 74: 2 red; 2 red, 5 green; 4 green, 1 red, 1 blue; 1 blue, 5 green, 5 red; 7 red, 1 blue, 3 green; 8 red, 1 blue, 6 green
+Game 75: 13 blue, 2 red, 2 green; 2 red, 9 blue; 2 red, 9 blue, 5 green
+Game 76: 2 red, 3 green, 18 blue; 2 red, 11 green, 5 blue; 6 green, 8 blue, 2 red; 4 blue; 7 green, 14 blue
+Game 77: 5 blue, 8 red, 1 green; 2 blue, 5 green, 12 red; 3 red, 4 blue
+Game 78: 1 blue, 2 green, 16 red; 2 red, 3 green; 1 red, 4 green, 2 blue; 11 red; 2 green, 12 red, 2 blue; 11 red, 5 green, 3 blue
+Game 79: 10 green, 3 blue, 2 red; 8 red, 3 blue, 8 green; 5 green, 3 red, 11 blue; 9 green, 16 blue
+Game 80: 1 red, 4 blue; 6 green, 1 red; 6 green, 3 blue, 1 red; 6 green, 2 red; 7 green, 1 blue; 2 red, 2 blue, 2 green
+Game 81: 10 blue, 4 red, 4 green; 5 green, 1 red, 7 blue; 11 blue, 8 green, 2 red; 8 green, 2 red
+Game 82: 12 green, 1 red, 3 blue; 6 red, 1 blue; 16 green, 3 red, 4 blue; 8 blue; 7 blue, 7 green, 2 red; 4 red, 19 green
+Game 83: 4 red, 4 blue, 3 green; 8 blue, 4 green, 6 red; 6 green, 7 blue, 6 red; 11 red, 6 green, 7 blue
+Game 84: 11 red, 2 green, 2 blue; 20 green, 2 blue, 13 red; 15 red, 6 green, 3 blue; 17 green, 7 red
+Game 85: 3 blue, 5 green, 2 red; 12 green, 2 blue, 1 red; 7 blue, 6 green, 5 red; 11 red, 2 blue, 17 green; 11 blue, 11 red, 17 green; 18 green, 9 red, 13 blue
+Game 86: 1 blue, 14 red; 4 green, 1 blue, 3 red; 2 green, 1 blue, 13 red; 1 green, 1 blue, 10 red
+Game 87: 2 red, 5 green, 4 blue; 3 blue, 9 red, 6 green; 7 blue, 9 red, 11 green; 10 green, 11 red, 9 blue; 7 green, 12 red, 4 blue; 5 blue, 1 red, 7 green
+Game 88: 11 red, 1 green; 9 blue, 4 green, 7 red; 10 red, 4 green, 1 blue; 4 green, 1 red, 1 blue; 10 blue, 1 red, 3 green; 2 green, 12 blue, 11 red
+Game 89: 3 green, 3 blue; 1 red, 7 green, 9 blue; 8 red, 11 blue, 11 green; 2 green, 6 blue, 5 red; 5 blue, 9 green
+Game 90: 3 blue, 10 red, 2 green; 2 blue; 8 red
+Game 91: 2 red, 10 green, 2 blue; 9 blue; 8 green, 5 red, 10 blue; 7 green, 6 blue, 5 red; 1 green, 6 red, 12 blue; 1 red, 4 green, 3 blue
+Game 92: 12 blue, 5 red, 2 green; 4 blue, 1 red, 3 green; 6 red, 6 blue; 1 blue, 8 red, 6 green; 6 blue, 3 red, 2 green; 7 green, 4 red, 1 blue
+Game 93: 3 blue; 8 blue; 3 blue, 2 red; 2 red, 1 green
+Game 94: 5 red, 7 blue, 6 green; 15 red, 7 blue, 4 green; 6 blue, 1 red, 2 green; 7 green, 4 blue, 17 red; 12 red, 5 green, 1 blue
+Game 95: 7 blue, 11 red, 9 green; 10 red, 6 blue, 7 green; 6 blue, 6 red, 7 green
+Game 96: 2 red, 1 green, 3 blue; 3 blue, 1 green; 1 green, 1 blue; 1 red, 1 blue; 1 green, 1 red, 4 blue
+Game 97: 6 red, 1 blue, 7 green; 2 blue, 5 red, 7 green; 8 red, 3 blue, 6 green; 6 green, 1 red, 3 blue; 5 red, 2 blue, 14 green; 3 green, 6 red, 6 blue
+Game 98: 9 red, 14 blue; 19 red, 4 blue; 11 red, 17 blue; 14 blue, 1 green, 18 red
+Game 99: 1 green, 1 red, 12 blue; 2 green, 4 red, 14 blue; 4 blue, 6 red; 10 red, 2 green, 1 blue
+Game 100: 5 red, 9 green, 2 blue; 9 blue, 6 green, 1 red; 8 blue, 7 green, 3 red

Day2/inputs/sample1.txt

@@ -0,0 +1,5 @@
+Game 1: 3 blue, 4 red; 1 red, 2 green, 6 blue; 2 green
+Game 2: 1 blue, 2 green; 3 green, 4 blue, 1 red; 1 green, 1 blue
+Game 3: 8 green, 6 blue, 20 red; 5 blue, 4 red, 13 green; 5 green, 1 red
+Game 4: 1 green, 3 red, 6 blue; 3 green, 6 red; 3 green, 15 blue, 14 red
+Game 5: 6 red, 1 blue, 3 green; 2 blue, 1 red, 2 green