Consider this algorithm (described in pseudocode): void traverse(tree_node ptr) { } if (ptr!=null) { traverse(ptr.left_child()); print(ptr.data()); traverse(ptr.right_child()); } 18. Which traversal method does this algorithm describe?

Consider this algorithm (described in pseudocode): void traverse(tree_node ptr) { } if (ptr!=null) { traverse(ptr.left_child()); print(ptr.data()); traverse(ptr.right_child()); } 18. Which traversal method does this algorithm describe?

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

Problem 1PE

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Question

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Consider this algorithm (described in pseudocode):
void traverse(tree_node ptr)
{
}
if (ptr!=null) {
traverse(ptr.left_child());
print(ptr.data());
traverse(ptr.right_child());
}
18. Which traversal method does this algorithm describe?
19. Apply this algorithm to the tree shown in Figure 5 and provide the result of the
traversal in the text box below

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