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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In cc+
Suppose we are sorting an array of
eight integers using quick-sort, and
we have just finished the first
partitioning with the array looking
like this: 2 5 179 12 11 10
Which statement is correct?
Select one:
a. The pivot is not the 7, but it
could be the 9
b. The pivot could be either the 7
or the 9.
c. Neither the 7 nor the 9 is the
pivot
d. The pivot could be the 7, but it
is not the 9
Transcribed Image Text:Suppose we are sorting an array of eight integers using quick-sort, and we have just finished the first partitioning with the array looking like this: 2 5 179 12 11 10 Which statement is correct? Select one: a. The pivot is not the 7, but it could be the 9 b. The pivot could be either the 7 or the 9. c. Neither the 7 nor the 9 is the pivot d. The pivot could be the 7, but it is not the 9
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