Please codes in C++ and make sure it can run
Create a binary tree class.
-Data array field (private)
-Count field
Add method(data)
-The add method takes a data point, add it to the count position in the array then increases the count.
Preorder(int)
-Recursive method that prints all the nodes in a VLR pattern.
(Remember 2i + 1 & 2i + 2)