// Just to vaidate output
static void Main(string[] args)
{
/*int[] arr = new int[] { 4, 3, 3, 2, 5};
* var x = Arrays.FindDisappearedNumbers(arr);
* foreach (int num in x)
* {
* Console.Write(num + " ");
* }*/
// Console.WriteLine(x);
var x = Trees.InorderTraversalIterative(GenerateTree());
Console.WriteLine(x);
}
