What does the following pseudo-code method, Calculate, return if it is called with a link to a binary tree? The following class definition for a node in a binary tree is used: class BinaryNode int element; BinaryNode left; BinaryNode right; int Calculate (BinaryNode root) { int lh-0; int rh=e; int dummy-0; if (root !- null) { // leaf node's height is zero if ((root.left - null) && (root.right =- null)) return e; else { 1h - Calculate(root.left); rh - Calculate(root.right); if (1h > rh) dummy - 1+ 1h; else dummy - 1 + rh; return dummy; return -1;

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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Can you please explain what pseudo code method does

 

3. What does the following pseudo-code method, Calculate, return if it is called with a link to a
binary tree? The following class definition for a node in a binary tree is used:
class BinaryNode
{
element;
BinaryNode left;
BinaryNode right;
int
int Calculate (BinaryNode root) {
int lh=0;
int rh=0;
int dummy=0;
if (root != null) {
// leaf node's height is zero
if ((root.left == null) && (root.right == null))
return e;
else {
1h = Calculate(root.left);
rh = Calculate(root.right);
if (1h > rh) dummy = 1+ 1h;
else dummy - 1 + rh;
return dummy;
}
return -1;
Transcribed Image Text:3. What does the following pseudo-code method, Calculate, return if it is called with a link to a binary tree? The following class definition for a node in a binary tree is used: class BinaryNode { element; BinaryNode left; BinaryNode right; int int Calculate (BinaryNode root) { int lh=0; int rh=0; int dummy=0; if (root != null) { // leaf node's height is zero if ((root.left == null) && (root.right == null)) return e; else { 1h = Calculate(root.left); rh = Calculate(root.right); if (1h > rh) dummy = 1+ 1h; else dummy - 1 + rh; return dummy; } return -1;
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