feat: day 1 completed both part 1 and part 2

01/HistorianHysteria/PuzzleSolver.cs

@@ -0,0 +1,30 @@
+class PuzzleSolver
+{
+  public int CalculateTotalDistance(List<int> left, List<int> right)
+  {
+    var leftSorted = left.OrderBy(i => i).ToList();
+    var rightSorted = right.OrderBy(i => i).ToList();
+    var total = 0;
+
+    foreach (var (leftNumber, index) in leftSorted.Select((num, index) => (num, index)))
+    {
+      var rightNumber = rightSorted[index];
+      total += Math.Abs(leftNumber - rightNumber);
+    }
+
+    return total;
+  }
+
+  public int CalculateSimilarityScore(List<int> left, List<int> right)
+  {
+    var total = 0;
+
+    foreach (var num in left)
+    {
+      var count = right.Count(i => i == num);
+      total += num * count;
+    }
+
+    return total;
+  }
+}