Why binary tree is a special kind of rooted tree

Reference no: EM131165801

A binary tree is a special kind of rooted tree that has some additional structure that makes it tremendously useful as a data structure. In order to describe the idea of a binary tree it is useful to think of a tree with no vertices, which we call the null tree or empty tree. Then we can recursively describe a binary tree as

• an empty tree (a tree with no vertices), or

• a structure T consisting of a root vertex, a binary tree called the left subtree of the root and a binary tree called the right subtree of the root. If the left or right subtree is nonempty, its root node is joined by an edge to the root of T.

Reference no: EM131165801

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