Give a big-O estimate for the number of times a gets updated in the inner loop of the following pseudocode fragment: a := 0 for i:= 1 to n for j:= n downto 1 a:= a + i +j O(n) a. O(nlog(n)) b. o(n/n) O c. O(n²) O d.
Give a big-O estimate for the number of times a gets updated in the inner loop of the following pseudocode fragment: a := 0 for i:= 1 to n for j:= n downto 1 a:= a + i +j O(n) a. O(nlog(n)) b. o(n/n) O c. O(n²) O d.
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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Transcribed Image Text:Give a big-O estimate for the number of times a gets updated in the inner loop of the following pseudocode fragment:
a := 0
for i:= 1 ton
for j:= n downto 1
a := a + i +j
O(n)
a.
O(nlog(n)
Ob.
o(nVn)
c.
O(n?)
d.
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