Starting Out With C++: Early Objects (10th Edition)
Starting Out With C++: Early Objects (10th Edition)
10th Edition
ISBN: 9780135235003
Author: Tony Gaddis, Judy Walters, Godfrey Muganda
Publisher: PEARSON
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Chapter 19, Problem 16RQE
Program Plan Intro

Binary tree:

  • It is a tree data structure which comes under hierarchical data structure.
  • It is made of nodes that have a left child, right child and a data element.

Nodes in a binary tree:

  • The node which is at the top of a binary tree is called “root node”.
  • The element that has children is known as “parent node”.
  • The element that is under an element is known as “children”.
  • The element or the node that has two children is called “leaves” or “external nodes”.
  • In binary tree, each node should have at most two children.

Insertion in a binary tree:

  • Check whether a node is empty or not in a tree.
  • If the left child is empty, then the new node is inserted as the left child.
  • If the right child is empty, then the new node is inserted as the right child.
  • Traversing should be done until the left or right node is empty.

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