Put the following values into a binary search tree from left to right order: 37 21 27 5 22 13 36 18 What is the 4th value printed out by the tree if a post order traversal is run on it?

Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
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Put the following values into a binary search tree from left to right
order:
37 21 27 5 22 13 36 18
What is the 4th value printed out by the tree if a post order
traversal is run on it?
27
22
18
Transcribed Image Text:Put the following values into a binary search tree from left to right order: 37 21 27 5 22 13 36 18 What is the 4th value printed out by the tree if a post order traversal is run on it? 27 22 18
What type of tree traversal is this?
void traverse(TreeNode tree){
if(tree !- null){
System.out.print(tree.getValue() +
");
traverse(tree.getLeft());
traverse(tree.getRight());
{
}
in order
pre order
post order
reverse
Transcribed Image Text:What type of tree traversal is this? void traverse(TreeNode tree){ if(tree !- null){ System.out.print(tree.getValue() + "); traverse(tree.getLeft()); traverse(tree.getRight()); { } in order pre order post order reverse
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