37 public static int example5(int[] first, int[] second) { // assume equal-length array 38 - first.length, count = = 0; 39 int n for (int i=0; i
37 public static int example5(int[] first, int[] second) { // assume equal-length array 38 - first.length, count = = 0; 39 int n for (int 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
Problem 1PE
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Transcribed Image Text:R-4.13 Give a big-Oh characterization, in terms of n, of the running time of the example5
method shown in Code Fragment 4.12.
![36 /** Returns the number of times second array stores sum of prefix sums from first. *
37 public static int example5(int[] first, int[] second) { // assume equal-length arrays
38
39
int n = first.length, count 0;
for (int i=0; i < n; i++) {
int total = 0;
// loop from 0 to n-1
40
41
for (int j=0; j<n; j++)
42
for (int k=0; k <= j; k++)
total += first[k];
43
44
if (second[i]
45
46
47 }
}
return count;
==
total) count++;
// loop from 0 to n-1
// loop from 0 to j](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fe8f98c03-2dea-45fe-9e7d-c001811b98bd%2Fbdfa6cdc-8b64-4ad0-b755-0fcf51c0b2ae%2F2uf216_processed.png&w=3840&q=75)
Transcribed Image Text:36 /** Returns the number of times second array stores sum of prefix sums from first. *
37 public static int example5(int[] first, int[] second) { // assume equal-length arrays
38
39
int n = first.length, count 0;
for (int i=0; i < n; i++) {
int total = 0;
// loop from 0 to n-1
40
41
for (int j=0; j<n; j++)
42
for (int k=0; k <= j; k++)
total += first[k];
43
44
if (second[i]
45
46
47 }
}
return count;
==
total) count++;
// loop from 0 to n-1
// loop from 0 to j
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