i = 0, j = 0 For(a = 0; a*a < n; a++){ For(b = 0; b < n; b *= 2){ For(c = 0; c*c < n; c++){ i += i j = j*2 } } }
i = 0, j = 0 For(a = 0; a*a < n; a++){ For(b = 0; b < n; b *= 2){ For(c = 0; c*c < n; c++){ i += i j = j*2 } } }
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
i = 0, j = 0
For(a = 0; a*a < n; a++){
For(b = 0; b < n; b *= 2){
For(c = 0; c*c < n; c++){
i += i
j = j*2
} } }
What is the time complexity for the code?
(a) O(n−−√∗n∗n)
(b) O(n−−√∗logn∗n−−√)
(c) O(n∗logn)
(d) O(n2.5)
(e) O(n)
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