C++ Help:

Extend the array based tree lab (https://pastebin.com/DKdTENMY) by adding these methods.

(Remember 2i + 1 & 2i + 2)

Preorder(int) -Recursive method that prints all the nodes in a VLR pattern. Inorder(int) -Recursive method that prints all the nodes in a LVR pattern. Postorder(int) -Recursive method that prints all the nodes in a LRV pattern.