Computer Science Illuminated
Computer Science Illuminated
6th Edition
ISBN: 9781284055917
Author: Nell Dale, John Lewis
Publisher: Jones & Bartlett Learning
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Chapter 8, Problem 50E
Program Plan Intro

Binary search tree:

  • Binary search tree is a tree; the nodes are sorted in the semantic order.
  • Binary search tree nodes can have zero, one, or two children.
  • Node without children is called a leaf or end node.
  • A node that does not have a superior node is called a root node or starting node.
    • In binary search tree, the left subtree contains the nodes lesser than the root node.
    • The right subtree contains the nodes greater than the root node.
  • The binary search will performed until finding a search node or reaching the end of the tree.

Explanation of Solution

Print the elements of binary search tree:

Step1:

Initially, the algorithm traverses the tree by the order right node, root node, and left node. Here, the root node of the tree is 50.

  • It has right node value as 72 in the first level.
  • Node 72 has right node 96 in the second level.
  • Next, node 96 has right node 107 in the third level.
  • Node 107 does not have left and right child, so it print the current node element “107”.
  • Then it print the left node element “95”.
  • Finally, it print the root node element “96”.

As per the algorithm, the “print()” method reaches the node 51. So, it print the current node element “51”.

  • Then it print the root node element “72”.

Step 2:

As per the algorithm, the “print()” method reaches the right node 17...

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