Add day 1

.gitignore

@@ -3,4 +3,6 @@ obj/
 /packages/
 riderModule.iml
 /_ReSharper.Caches/
-.idea/.idea.AdventOfCode/.idea
+.idea/.idea.AdventOfCode/.idea
+AdventOfCode.sln.DotSettings.user
+BenchmarkDotNet.Artifacts

AdventOfCode.csproj

@@ -2,13 +2,19 @@
 
     <PropertyGroup>
         <OutputType>Exe</OutputType>
-        <TargetFramework>net7.0</TargetFramework>
+        <TargetFramework>net8.0</TargetFramework>
         <ImplicitUsings>enable</ImplicitUsings>
         <Nullable>enable</Nullable>
     </PropertyGroup>
 
     <ItemGroup>
+      <PackageReference Include="BenchmarkDotNet" Version="0.13.2" />
       <PackageReference Include="Spectre.Console" Version="0.45.0" />
     </ItemGroup>
 
+    <ItemGroup>
+      <None Remove="Inputs\Day1.txt" />
+      <EmbeddedResource Include="Inputs\Day1.txt" />
+    </ItemGroup>
+
 </Project>

DayBenchmarker.cs

@@ -0,0 +1,29 @@
+using AdventOfCode.Days;
+using BenchmarkDotNet.Attributes;
+
+namespace AdventOfCode;
+
+[ShortRunJob]
+[MemoryDiagnoser(false)]
+public class DayBenchmark
+{
+    private Day Day { get; } = new Day1();
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        Day.ReadInput();
+    }
+
+    [Benchmark]
+    public void Part1()
+    {
+        Day.RunPart1(display: false);
+    }
+
+    [Benchmark]
+    public void Part2()
+    {
+        Day.RunPart2(display: false);
+    }
+}

Days/Day.cs

@@ -1,12 +1,24 @@
+using System.Reflection;
+
 namespace AdventOfCode.Days;
 
 public abstract class Day
 {
     public abstract int Number { get; }
     public abstract string Name { get; }
-    
-    public abstract void RunPart1();
-    public abstract void RunPart2();
+
+    protected string Input { get; private set; } = null!;
+
+    public abstract void RunPart1(bool display = true);
+    public abstract void RunPart2(bool display = true);
+
+    public void ReadInput()
+    {
+        using var inputStream = Assembly.GetExecutingAssembly()
+            .GetManifestResourceStream($"AdventOfCode.Inputs.Day{Number}.txt")!;
+
+        Input = new StreamReader(inputStream).ReadToEnd();
+    }
 
     public override string ToString()
     {

Days/Day3.cs

@@ -1,363 +0,0 @@
-using Spectre.Console;
-
-namespace AdventOfCode.Days;
-
-public class Day3 : Day
-{
-    public override int Number => 3;
-    public override string Name => "Rucksack Reorganization";
-
-    public override void RunPart1()
-    {
-        long sum = 0;
-
-        foreach (var line in Input.ReadAllLines())
-        {
-            var middle = line.Length / 2;
-            var firstCompartment = line[..middle];
-            var secondCompartment = line[middle..];
-
-            var common = firstCompartment.Intersect(secondCompartment).First();
-
-            sum += CharToPriority(common);
-        }
-
-        AnsiConsole.MarkupLine($"[green]Sum of priorities is: [yellow]{sum}[/][/]");
-    }
-
-    public override void RunPart2()
-    {
-        long sum = 0;
-
-        foreach (var group in Input.ReadAllLines().Chunk(3))
-        {
-            var firstBag = group[0];
-            var secondBag = group[1];
-            var thirdBag = group[2];
-
-            var common = firstBag.Intersect(secondBag).Intersect(thirdBag).First();
-
-            sum += CharToPriority(common);
-        }
-
-        AnsiConsole.MarkupLine($"[green]Sum of priorities is: [yellow]{sum}[/][/]");
-    }
-
-    private int CharToPriority(char c)
-    {
-        if (char.IsLower(c))
-        {
-            return c - 'a' + 1;
-        }
-
-        return c - 'A' + 27;
-    }
-
-    #region Input
-
-    public const string Input =
-    """
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-    GmfHCCPqWqHLWLCfRJpbrrbQphwZbZ
-    STVDQzNnzMzNdstMDzzNtZwFhrlwVJJrJlFFJRFwFR
-    DzSvzstnszMnjQcqggjPqQBcqq
-    BzNwLTqwTjrBrljWpBlrQpBpsCGGCtpssCMttDtHsttMDCHp
-    mnrJVmRhhvJVcHtsGHMCnZCPZM
-    bvSmVbRhbgmmSJflzNLrzqzfWfqBWr
-    qsZLqqFNhfrGnJFv
-    DVjVmWlcjVjdDTDlbbTDTzmrCnMmJGnHnmCHfJGfvnfM
-    lVRdDglTlTgVlVjbWWVzVjvNZqSBsLZNtqRsLBqLqQtL
-    ffRRfLVHZHfJHVJcMrMZZwwTzGBBzBTBjGTwrwdSCj
-    qmWbWQbqnbvWhbQPGnGNnpvwSzltpBldtSdzllptCSjTTt
-    vWsbnbWnNvQQQQvsRRLfJRRVGfDcfV
-    PpqrvswPvvvPsNqmDLDttCCcHHZVrCtW
-    hgSddBhghQMdbhbwhgSdQgCCctZcDtLntLttCVLtSLCc
-    dGzdQMFzQMdgGGlGJMzBgBwRqNNfmmTsvfRfJTpwjmpP
-    pcphpdrWDmTgHWMtRWqHRVVH
-    SbGcGGQnvNQGvsjBtVHBLjvqVPVB
-    lzbQCzbZllSzQslpCJpJJDggcggfDT
-    ffrTlhrVrfCsDVTsWzGBBZcBRBqRBWtGtZcq
-    QNFmFHrHNSSmSLJdJrNGZLbGjbcBjBGjqcbgjc
-    ddQvPnHddnQJHSHSFPdnFfDDTfDMMCrwMlPTwDCsrC
-    NBnrNHQHBscvhfBM
-    bbGtgWWWqZFmnZGZbmVCdMzvvShfzfGcdcfMSS
-    WqbjnmbnjWgmFFgtWVbWZwNTNLjNprNwQLDwrTrHQr
-    lwwlcjlzQRBcBccbdLCVnNVWJJzfLndd
-    pZDMtZpSDMZpMZMsPtHVNJVfRCRddVndnJLSJd
-    mDTZvTqtDDHttRPcqhQlwgGlghbqBh
-    DTspTqssqTbdmCMwVmnmlfCD
-    PLPWjjrSjvPzqZvjvRqjLtPwnnHCmWVcncMnnwmncHcHll
-    RFztFjjqjQFQTbdTbQ
-    hTFSVSdhMMVMFjjgbthcbzczcg
-    DvwCJVJWWJDRnfmbDmccfmmgfb
-    QrJvPGWWnpVMqdZsZpqM
-    gRLcHbgnfpgpJjlqqp
-    SFwrTHFBqlZtBPZq
-    HTzDwmSvCvCmsmmvTSwvFwcfRRNRLcQRWNssNNbRWLWL
-    PpMgDMDnsWSnjBQnrjbn
-    LFcVVGChCFdhdVFZVpVCdVbvQbRrbvBBbBjQSJZrrJrR
-    FNwGNCCFHcVTHcFdHHHTDzMzfsgzwpPWMmPflmtt
-    """;
-
-    #endregion
-}

EnumerableExtensions.cs

@@ -0,0 +1,25 @@
+namespace AdventOfCode;
+
+public static class EnumerableExtensions
+{
+    public static IEnumerable<TSource> Flatten<TSource>(this TSource root, Func<TSource, IEnumerable<TSource>> flattener)
+    {
+        var toVisit = new Stack<TSource>();
+        toVisit.Push(root);
+
+        while (toVisit.TryPop(out var node))
+        {
+            yield return node;
+
+            foreach (var child in flattener(node))
+            {
+                toVisit.Push(child);
+            }
+        }
+    }
+
+    public static TValue GetValueOrDefault<TKey, TValue>(this IDictionary<TKey, TValue> dictionary, TKey key, TValue defaultValue)
+    {
+        return dictionary.TryGetValue(key, out var value) ? value : defaultValue;
+    }
+}

Program.cs

@@ -1,22 +1,74 @@
-
+using System.Diagnostics;
 using System.Reflection;
+using AdventOfCode;
 using AdventOfCode.Days;
+using BenchmarkDotNet.Running;
 using Spectre.Console;
 
+// Benchmark
+if (args is ["--bench" or "-b"])
+{
+    BenchmarkRunner.Run<DayBenchmark>();
+    Environment.Exit(0);
+}
+
+// Normal run
 var days = Assembly.GetAssembly(typeof(Day))!.GetTypes()
     .Where(t => t.IsAssignableTo(typeof(Day)) && t.GetConstructor(Type.EmptyTypes) != null && !t.IsAbstract)
     .Select(t => (Day)Activator.CreateInstance(t)!);
 
 var select = new SelectionPrompt<Day>()
     .Title("[cyan]Select a [yellow]day[/] to run:[/]")
-    .AddChoices(days);
+    .AddChoices(days.OrderByDescending(d => d.Number));
 
 var selectedDay = AnsiConsole.Prompt(select);
 
+var stopWatch = new Stopwatch();
+
+// Read input
+try
+{
+    selectedDay.ReadInput();
+}
+catch (Exception e)
+{
+    AnsiConsole.WriteException(e);
+
+    Environment.Exit(1);
+}
+
+// Part 1
 AnsiConsole.MarkupLine($"[cyan]Running [yellow]{selectedDay}[/]...[/]\n");
 
 AnsiConsole.MarkupLine("[cyan]Part [yellow]1[/] result:[/]");
-selectedDay.RunPart1();
 
+try
+{
+    stopWatch.Start();
+    selectedDay.RunPart1();
+    stopWatch.Stop();
+
+    AnsiConsole.MarkupLine($"[red]Approximate run time: [yellow]{stopWatch.ElapsedTicks / (double)Stopwatch.Frequency * 1000:F3} ms[/][/]");
+}
+catch (Exception e)
+{
+    AnsiConsole.WriteException(e);
+}
+
+stopWatch.Reset();
+
+// Part 2
 AnsiConsole.MarkupLine("\n[cyan]Part [yellow]2[/] result:[/]");
-selectedDay.RunPart2();
+
+try
+{
+    stopWatch.Start();
+    selectedDay.RunPart2();
+    stopWatch.Stop();
+
+    AnsiConsole.MarkupLine($"[red]Approximate run time: [yellow]{stopWatch.ElapsedTicks / (double)Stopwatch.Frequency * 1000:F3} ms[/][/]");
+}
+catch (Exception e)
+{
+    AnsiConsole.WriteException(e);
+}

README.md

@@ -0,0 +1,15 @@
+# Advent of Code
+
+![CLI Preview](Preview.png)
+
+Advent of Code made in **C#**, using **[Spectre.Console](https://spectreconsole.net/)** for **console display** and **[BenchmarkDotNet](https://benchmarkdotnet.org/)** for **benchmarks**
+
+## Build and run
+
+- **Install [.Net 7 SDK](https://dotnet.microsoft.com/en-us/download)** if needed
+- **Clone** the repository
+- In a shell, execute `dotnet run`
+
+## Benchmarks
+
+> Todo...

StringExtensions.cs

@@ -1,6 +1,6 @@
 namespace AdventOfCode;
 
-public static class StringExtensions
+public static partial class StringExtensions
 {
     public static IEnumerable<string> ReadAllLines(this StringReader reader)
     {