8.The following comparison tree sorts the four values a, b, c, and d.abedbodb:dada.c.hd>cadcahdaxdbdedaxdCadh>ed.da d.cabcdha dc.ha8a) What is the worst-case number of comparisons performed by the comparison tree?8b) What is the best-case number of comparisons performed by the comparison tree?8c) What is the average-case number of comparisons performed by the comparison tree, assumingthat any permutation of the four inputs is equally likely?

Decision tree: Decision tree is a structure it is in the form of flow like structure it…

Answered: 8. The following comparison tree sorts…

8. The following comparison tree sorts the four values a, b, c, and d. hed ahde and acha cahd ado chad bed adhe dahe> hdae||

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

8.
The following comparison tree sorts the four values a, b, c, and d.
abed
bod
b:d
<bac.d
ad
ad
ad
a.b.de>
ad
a.c.hd>
cad
cahd
axd
bd
ed
<chad
ad,helahc
<a,cdb>
axd
Cadh>
ed
<hdacdbaC
hcda
bod
<chda
adeb dac.b>
.da d.cab
cdha dc.ha
8a) What is the worst-case number of comparisons performed by the comparison tree?
8b) What is the best-case number of comparisons performed by the comparison tree?
8c) What is the average-case number of comparisons performed by the comparison tree, assuming
that any permutation of the four inputs is equally likely?

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