1. Give a big-Oh characterization, in terms of n, of the running time of following methods. 1 /** Returns the maximum value of a nonempty array of numbers. */ 2 public static double arrayMax(double[ ] data) { 3 int n = data.length; 4 5 6 1 2 3 4 5 6 7 8 9} 2. Give a big-Oh characterization, in terms of n, of the running time of following methods. 7 8 10 11 double current Max = data[0]; for (int j=1; j current Max) currentMax = data[j]; return current Max; } DBD2E2D /** Returns the sum of the integers in given array. */ public static int example1(int[] arr) { int n = arr.length, total = 0; for (int j=0; j
1. Give a big-Oh characterization, in terms of n, of the running time of following methods. 1 /** Returns the maximum value of a nonempty array of numbers. */ 2 public static double arrayMax(double[ ] data) { 3 int n = data.length; 4 5 6 1 2 3 4 5 6 7 8 9} 2. Give a big-Oh characterization, in terms of n, of the running time of following methods. 7 8 10 11 double current Max = data[0]; for (int j=1; j current Max) currentMax = data[j]; return current Max; } DBD2E2D /** Returns the sum of the integers in given array. */ public static int example1(int[] arr) { int n = arr.length, total = 0; for (int j=0; j
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
Related questions
Question
![1. Give a big-Oh characterization, in terms of n, of the running time of following methods.
1 /** Returns the maximum value of a nonempty array of numbers. */
2 public static double arrayMax(double[ ] data) {
3
int n = data.length;
4
5
6
1
2
3
4
5
6
7
8
9}
2. Give a big-Oh characterization, in terms of n, of the running time of following methods.
7
8
10
11
double current Max = data[0];
for (int j=1; j<n; j++)
if (data[j] > current Max)
currentMax = data[j];
return current Max;
}
DBD2E2D
/** Returns the sum of the integers in given array. */
public static int example1(int[] arr) {
int n = arr.length, total = 0;
for (int j=0; j <n; j++)
total + = arr[j];
9 /** Returns the sum of the integers with even index in given array. */
public static int example2(int[ ] arr) {
int n = arr.length, total = 0;
for (int j=0; j < n; j+= 2)
total += arr[j];
12
13
14 return total;
15 }
19
return total;
21
3. Give a big-Oh characterization, in terms of n, of the running time of following methods.
18 public static int example3(int[] arr) {
int n = arr.length, total = 0;
17 /** Returns the sum of the prefix sums of given array. */
// assume first entry is biggest (for now
// consider all other entries
// if data[j] is biggest thus far...
// record it as the current max
20 for (int j=0; j < n; j++)
24 }
// loop from 0 to n-1
for (int k=0; k <= j; k++)
total += arr[j];
23 return total;
// note the increment of 2
// loop from 0 to n-1
// loop from 0 to j](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F0b54cbd5-e9a4-4e27-8866-ff5cac671566%2F51d2bf1c-ab18-46c0-904c-6f33cb1bc6af%2Ftd0xuo_processed.png&w=3840&q=75)
Transcribed Image Text:1. Give a big-Oh characterization, in terms of n, of the running time of following methods.
1 /** Returns the maximum value of a nonempty array of numbers. */
2 public static double arrayMax(double[ ] data) {
3
int n = data.length;
4
5
6
1
2
3
4
5
6
7
8
9}
2. Give a big-Oh characterization, in terms of n, of the running time of following methods.
7
8
10
11
double current Max = data[0];
for (int j=1; j<n; j++)
if (data[j] > current Max)
currentMax = data[j];
return current Max;
}
DBD2E2D
/** Returns the sum of the integers in given array. */
public static int example1(int[] arr) {
int n = arr.length, total = 0;
for (int j=0; j <n; j++)
total + = arr[j];
9 /** Returns the sum of the integers with even index in given array. */
public static int example2(int[ ] arr) {
int n = arr.length, total = 0;
for (int j=0; j < n; j+= 2)
total += arr[j];
12
13
14 return total;
15 }
19
return total;
21
3. Give a big-Oh characterization, in terms of n, of the running time of following methods.
18 public static int example3(int[] arr) {
int n = arr.length, total = 0;
17 /** Returns the sum of the prefix sums of given array. */
// assume first entry is biggest (for now
// consider all other entries
// if data[j] is biggest thus far...
// record it as the current max
20 for (int j=0; j < n; j++)
24 }
// loop from 0 to n-1
for (int k=0; k <= j; k++)
total += arr[j];
23 return total;
// note the increment of 2
// loop from 0 to n-1
// loop from 0 to j
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