chore(*): Move all C# solutions into a C# folder to make it clearer which languages are used

2026-07-13 11:13:47 +00:00 · 2024-12-01 11:19:35 +00:00
parent 1a4d7a2d95
commit 9d53354d14
71 changed files with 7 additions and 0 deletions
@@ -0,0 +1,101 @@
+namespace AOC.Tests.Y2024;
+
+[TestFixture]
+[Parallelizable(ParallelScope.All)]
+public class Day01
+{
+    [SetUp]
+    public void Setup()
+    {
+        realData = File.ReadAllLines(Path.Combine(TestContext.CurrentContext.TestDirectory, "Y2024", "Data",
+            $"{GetThisClassName()}.dat"));
+    }
+
+    protected string GetThisClassName() { return GetType().Name; }
+    private string[] realData;
+
+    [TestCase(@"3   4
+4   3
+2   5
+1   3
+3   9
+3   3", 11)]
+    [TestCase(null, 2000468)] // The actual answer
+    public void Part1(string? input, int? expected)
+    {
+        // string[] lines = input != null ? new[] { input } : realData;
+        string[] lines = input != null ? input.Split("\n") : realData;
+
+        List<int> left = new();
+        List<int> right = new();
+
+        for (int i = 0; i < lines.Length; i++)
+        {
+            string leftString = lines[i].Split("   ")[0];
+            string rightString = lines[i].Split("   ")[1];
+
+            left.Add(int.Parse(leftString));
+            right.Add(int.Parse(rightString));
+        }
+
+        int totalDistance = 0;
+
+        left = left.Order().ToList();
+        right = right.Order().ToList();
+
+        for (int i = 0; i < left.Count; i++)
+        {
+            // Get the difference between left and right at this index
+            totalDistance += Math.Abs(left[i] - right[i]);
+        }
+
+        if (expected != null)
+        {
+            Assert.That(totalDistance, Is.EqualTo(expected.Value));
+        }
+
+        Console.WriteLine($"Part 1: {totalDistance}");
+    }
+
+    [TestCase(@"3   4
+4   3
+2   5
+1   3
+3   9
+3   3", 31)]
+    [TestCase(null, 18567089)] // The actual answer
+    public void Part2(string? input, int? expected)
+    {
+        //string[] lines = input != null ? new[] { input } : realData;
+        string[] lines = input != null ? input.Split("\n") : realData;
+
+        List<int> left = new();
+        List<int> right = new();
+
+        for (int i = 0; i < lines.Length; i++)
+        {
+            string leftString = lines[i].Split("   ")[0];
+            string rightString = lines[i].Split("   ")[1];
+
+            left.Add(int.Parse(leftString));
+            right.Add(int.Parse(rightString));
+        }
+
+        int similarityScore = 0;
+
+        for (int i = 0; i < left.Count; i++)
+        {
+            int count = right.Count(x => x == left[i]);
+
+            similarityScore += left[i] * count;
+        }
+
+
+        if (expected != null)
+        {
+            Assert.That(similarityScore, Is.EqualTo(expected.Value));
+        }
+
+        Console.WriteLine($"Part 2: {similarityScore}");
+    }
+}