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AdventOfCode
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Extract `IntArrayEqualityComparer` to new `AdventOfCode.HelperClasses` project and refactor solution to use the shared class

This commit is contained in:
Sebastian Lindemeier 2025-12-12 12:39:31 +01:00
parent d0b612154a
commit 85516cd783
5 changed files with 42 additions and 32 deletions
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9
AdventOfCode.HelperClasses/AdventOfCode.HelperClasses.csproj Normal file
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@ -0,0 +1,9 @@
<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<TargetFramework>net9.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

24
AdventOfCode.HelperClasses/IntArrayEqualityComparer.cs Normal file
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@ -0,0 +1,24 @@
namespace AdventOfCode.HelperClasses;
public class IntArrayEqualityComparer : IEqualityComparer<int[]>
{
public bool Equals(int[]? x, int[]? y)
{
if (x is null || y is null || x.Length != y.Length) return false;
return !x.Where((t, i) => t != y[i]).Any();
}
public int GetHashCode(int[] obj)
{
var result = 17;
foreach (var t in obj)
{
unchecked
{
result = result * 23 + t;
}
}
return result;
}
}

6
AdventOfCode.sln
View File

@ -12,6 +12,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdvenOfCode.Contracts", "Ad
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode.Extensions", "AdventOfCode.Extensions\AdventOfCode.Extensions.csproj", "{1466A0F6-7C88-47FF-B8F8-FF30368E26DC}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "AdventOfCode.HelperClasses", "AdventOfCode.HelperClasses\AdventOfCode.HelperClasses.csproj", "{D47175BB-5AD6-43A8-9287-FF5E6F1816E3}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
@ -38,6 +40,10 @@ Global
{1466A0F6-7C88-47FF-B8F8-FF30368E26DC}.Debug|Any CPU.Build.0 = Debug|Any CPU
{1466A0F6-7C88-47FF-B8F8-FF30368E26DC}.Release|Any CPU.ActiveCfg = Release|Any CPU
{1466A0F6-7C88-47FF-B8F8-FF30368E26DC}.Release|Any CPU.Build.0 = Release|Any CPU
{D47175BB-5AD6-43A8-9287-FF5E6F1816E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{D47175BB-5AD6-43A8-9287-FF5E6F1816E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
{D47175BB-5AD6-43A8-9287-FF5E6F1816E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
{D47175BB-5AD6-43A8-9287-FF5E6F1816E3}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(NestedProjects) = preSolution
{4F395AE3-DABB-4546-A4D0-5A62425FE168} = {05EBAA1C-B33B-4AFE-8635-A58D7CA509A7}

1
AoC_2025/AoC_2025.csproj
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@ -9,6 +9,7 @@
<ItemGroup>
<ProjectReference Include="..\AdvenOfCode.Contracts\AdvenOfCode.Contracts.csproj" />
<ProjectReference Include="..\AdventOfCode.Extensions\AdventOfCode.Extensions.csproj" />
<ProjectReference Include="..\AdventOfCode.HelperClasses\AdventOfCode.HelperClasses.csproj" />
</ItemGroup>
<ItemGroup>

34
AoC_2025/Day10.cs
View File

@ -7,13 +7,14 @@ using System.IO;
using System.Linq;
using AdvenOfCode.Contracts;
using AdventOfCode.Extensions;
using AdventOfCode.HelperClasses;
using Microsoft.Z3;
namespace AoC_2025;
public class Day10 : IPuzzleSolver<long>
{
private (uint lamps, uint[] buttons, int[] joltages)[] ParsePuzzleInput(string path)
private (uint lamps, uint[] buttons)[] ParsePuzzleInput(string path)
{
var puzzleInput = File.ReadAllLines(path)
.Where(line => !string.IsNullOrWhiteSpace(line))
@ -41,16 +42,8 @@ public class Day10 : IPuzzleSolver<long>
.Select(lampIndexes => lampIndexes.Aggregate((uint)0L, (acc, lampIndex) => acc | ((uint)1 << lampIndex)))
.ToArray())
.ToArray();
var joltages = puzzleInput
.Select(input => input.joltages)
.Select(joltage => joltage
.Split(',', StringSplitOptions.RemoveEmptyEntries)
.Select(jolt => int.Parse(jolt))
.ToArray())
.ToArray();
var res = lamps
.Zip(buttons, (lamp, button) => (lamp, button))
.Zip(joltages, (bl, joltage) => (bl.lamp, bl.button, joltage))
.ToArray();
return res;
}
@ -272,27 +265,4 @@ public class Day10 : IPuzzleSolver<long>
var answer = answerExpression is IntNum number ? number.Int64 : 0;
return answer;
}
}
public class IntArrayEqualityComparer : IEqualityComparer<int[]>
{
public bool Equals(int[]? x, int[]? y)
{
if (x is null || y is null || x.Length != y.Length) return false;
return !x.Where((t, i) => t != y[i]).Any();
}
public int GetHashCode(int[] obj)
{
var result = 17;
foreach (var t in obj)
{
unchecked
{
result = result * 23 + t;
}
}
return result;
}
}