Let X and Y be two arrays. Let them contain the same distinct k keys but the keys are ordered differently. Let TX be the BST when X[0] is inserted first, then X[1], then X[2], etc. Let TY be created similarly using Y. Given X and Y, present an algorithm (pseudocode) that determines if TX and TY are the same BST without creating TX and TY. What is the running time of your algorithm? For instance, if X = [10, 3, 1, 2, 11] and Y = [10, 11, 3, 1, 2], the algo must return 'Y'. On the other hand, if X = [10, 3, 1, 2, 11] and Y = [10, 11, 3, 2, 1], the algo must return 'N'. Hint: Check if TX and TY have the same root keys first. Repeat for both subtrees of the root.

Let X and Y be two arrays. Let them contain the same distinct k keys but the keys are ordered differently. Let TX be the BST when X[0] is inserted first, then X[1], then X[2], etc. Let TY be created similarly using Y. Given X and Y, present an algorithm (pseudocode) that determines if TX and TY are the same BST without creating TX and TY. What is the running time of your algorithm? For instance, if X = [10, 3, 1, 2, 11] and Y = [10, 11, 3, 1, 2], the algo must return 'Y'. On the other hand, if X = [10, 3, 1, 2, 11] and Y = [10, 11, 3, 2, 1], the algo must return 'N'. Hint: Check if TX and TY have the same root keys first. Repeat for both subtrees of the root.

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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