[DRAFT]. Solve LeetCode #74 'Search a 2D Matrix' [Medium].

LeetCode/src/LeetCode.Challenges/Problems0XX/P074_Search2DMatrix/Solution.cs

@@ -0,0 +1,11 @@
+namespace LeetCode.Challenges.Problems0XX.P074_Search2DMatrix;
+
+public static class Solution
+{
+    public static bool SearchMatrix(int[][] matrix, int target)
+    {
+        // TODO: implement.
+
+        throw new NotImplementedException();
+    }
+}

LeetCode/tests/LeetCode.Challenges.UnitTests/Problems0XX/P074_Search2DMatrix/SolutionTests.cs

@@ -0,0 +1,16 @@
+using FluentAssertions;
+using LeetCode.Challenges.Problems0XX.P074_Search2DMatrix;
+using Shouldly;
+using Xunit;
+
+namespace LeetCode.Challenges.UnitTests.Problems0XX.P074_Search2DMatrix;
+
+public class SolutionTests
+{
+    [Fact]
+    public void Given_When_Then()
+    {
+        var action = () => Solution.SearchMatrix([[1, 2], [3, 4], [5, 6]], 4);
+        action.Should().Throw<NotImplementedException>();
+    }
+}