pop ar ving for loops: for (i = 0; i

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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In a competition, four different functions are observed. All the functions use a single
for loop and within the for loop, same set of statements are executed. Consider the
following for loops:
a) for (i = 0; i<n; i++)
b) for (i = 0; i<n; i+= 2)
c) for (i = 1; i<n; i *= 2)
d) for (i = n; i>-1; i/= 2)
4
2 logn
If n is the size of input (positive), which function is most efficient (if the task to be
performed is not an issue)?
Transcribed Image Text:In a competition, four different functions are observed. All the functions use a single for loop and within the for loop, same set of statements are executed. Consider the following for loops: a) for (i = 0; i<n; i++) b) for (i = 0; i<n; i+= 2) c) for (i = 1; i<n; i *= 2) d) for (i = n; i>-1; i/= 2) 4 2 logn If n is the size of input (positive), which function is most efficient (if the task to be performed is not an issue)?
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