Binary Tree, Data Structure Algorithm, Algorithms, Dotnet, Csharp.
resulting in a postorder traversal sequence: public static IList<int> RecursiveApproach(TreeNode root) { List<int> result = new List<int>(); Postorder(root, result); return result; } // Helper method that performs the traversal private static void Postorder(TreeNode root, List<int> result) { if