Question

1. As it pertains to Data Structures what is a Tree, in general, and particular what...

1. As it pertains to Data Structures what is a Tree, in general, and particular what a Binary Tree is.

2. Be able to construct a Binary Tree from an arithmetic expression such as: 4 * 5 – 6 / 8 + 2

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Answer #1

TREE

  • Tree is a hierarchical data structure which stores the information naturally in the form of hierarchy style.
  • Tree is one of the most powerful and advanced data structures.
  • It is a non-linear data structure compared to arrays, linked lists, stack and queue.
  • It represents the nodes connected by edges.

Binary Tree

A tree whose elements have at most 2 children is called a binary tree. Since each element in a binary tree can have only 2 children, we typically name them the left and right child.

A Binary Tree node contains following parts.

  1. Data
  2. Pointer to left child
  3. Pointer to right child
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