In this post we are learning about how to print internal node (non leaf node) BST nodes. Assume that following data are inserted on tree [527, 442, 559, 417, 489, 592, 435, 486, 505, 569].
internal node of BST are contain at least one child node.
Try it Yourself
Time complexity of this program O(n)
In this execution process not imagination all steps. below link click and view how to insert bst node, how to show all bst node and how to print internal BST nodes.
C program to print all internal node of given binary search tree. recursive approach.