x = Get next input if ???    Put x*2 to output else   Put x to output Which of the following is the correct conditional statement for this algorithm?

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
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The following algorithm aims to multiply x by 2 only if x is an odd number, otherwise it returns x unchanged.

integer x

x = Get next input

if ??? 

  Put x*2 to output

else

  Put x to output

Which of the following is the correct conditional statement for this algorithm?

a. x/2 == 1
b. x%2 == 1
c. x%2 != 1
d. x/2 != 1
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