Build a binary search tree for the following words, sorted alphabetically: gaffe, rebellion, fool, elaborate, spread, joke, freedom, stroke, guideline, and aware. Add words to this tree in the order in which they are listed. (a) How many comparisons are needed to locate spread in this tree, starting from the top? (b) How many comparisons are needed to add the word thorough to this tree? (c) What is the parent of the node labeled elaborate? gaffe rebellion fool elaborate spread joke O freedom O stroke guideline Q aware

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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Please circle the answer and show how to do it? (BIC 6)

Build a binary search tree for the following words, sorted alphabetically: gaffe, rebellion, fool, elaborate,
spread, joke, freedom, stroke, guideline, and aware. Add words to this tree in the order in which they are
listed.
(a) How many comparisons are needed to locate spread in this tree, starting from the top?
(b) How many comparisons are needed to add the word thorough to this tree?
(c) What is the parent of the node labeled elaborate?
gaffe
rebellion
fool
elaborate
spread
joke
O freedom
O stroke
guideline
aware
(d) What are the children of the node labeled fool?
O gaffe
O rebellion
O fool
elaborate
Ospread
O joke
freedom
Ostroke
O guideline
O aware
Transcribed Image Text:Build a binary search tree for the following words, sorted alphabetically: gaffe, rebellion, fool, elaborate, spread, joke, freedom, stroke, guideline, and aware. Add words to this tree in the order in which they are listed. (a) How many comparisons are needed to locate spread in this tree, starting from the top? (b) How many comparisons are needed to add the word thorough to this tree? (c) What is the parent of the node labeled elaborate? gaffe rebellion fool elaborate spread joke O freedom O stroke guideline aware (d) What are the children of the node labeled fool? O gaffe O rebellion O fool elaborate Ospread O joke freedom Ostroke O guideline O aware
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