-- if we have hierarchical data then we use tree data structure. --when a node that do not have parent node is called as "root node" . # The root node is the topmost node in a tree data structure. # ...

Source Code for HappyCoders.eu article series on tree data structures (binary tree, binary search tree, AVL tree, red-black tree).

Abstract: The tree (hierarchical) structure is one of the elementary memory arrangements, used by numerous data structures – ranging from simple to relatively sophisticated ones. The most well-known ...