1. Shown below is the code for the bubble sort consisting of two recursive methods that replace the two nested loops that would be used in its iterative counterpart: void bubbleSort (int array(1) { sort (array, 0); } void sort (int[] array, int i) { if (i < array.length 1) { bubble (array, i, array.length sort (array, 1 + 1); } void bubble (int[] array, int i, int j) ( if (i <= i) return; if (array[j] < array[j-1]) { int temp array[j]; array[j] array[1] = temp; array[j-1]; 1); } bubble (array, 1, 1); Draw the recursion tree for bubbleSort when it is called for an array of length 4 with data that represents the worst case. Show the activations of bubbleSort, sort and bubble in the tree. Explain how the recursion tree would be different in the best case.

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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1. Shown below is the code for the bubble sort consisting of two recursive methods that
replace the two nested loops that would be used in its iterative counterpart:
void bubbleSort (int array[]) {
sort (array, 0);
}
void sort (int[] array, int i) {
(i < array.length 1) {
if
bubble (array, i, array.length
sort (array, i + 1);
}
}
void bubble (int[] array, int i, int j) {
if (i <= i)
return;
if (array[j] < array[j - 1]) {
int temp = array[j];
array[j]
array[j - 1] = temp;
array[j - 1];
1);
}
bubble (array, i, j - 1);
Draw the recursion tree for bubbleSort when it is called for an array of length 4 with
data that represents the worst case. Show the activations of bubbleSort, sort and
bubble in the tree. Explain how the recursion tree would be different in the best case.
Transcribed Image Text:1. Shown below is the code for the bubble sort consisting of two recursive methods that replace the two nested loops that would be used in its iterative counterpart: void bubbleSort (int array[]) { sort (array, 0); } void sort (int[] array, int i) { (i < array.length 1) { if bubble (array, i, array.length sort (array, i + 1); } } void bubble (int[] array, int i, int j) { if (i <= i) return; if (array[j] < array[j - 1]) { int temp = array[j]; array[j] array[j - 1] = temp; array[j - 1]; 1); } bubble (array, i, j - 1); Draw the recursion tree for bubbleSort when it is called for an array of length 4 with data that represents the worst case. Show the activations of bubbleSort, sort and bubble in the tree. Explain how the recursion tree would be different in the best case.
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