Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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Reference the algorithm in the picture below: 

(a) Write code in python to implement the Quicksort algorithm. Your code should print both the input
and output arrays to the screen.
(b) Using the list LArray = {26, 14, 52, 7, 15, 37, 91, 2, 28, 73} illustrate how quicksort
works.
(c) Using the list LArray = {37, 91, 2, 26, 14, 52, 7, 28, 15, 73} illustrate how quicksort
works

ALGORITHM Quicksort(A[l..r])
//Sorts a subarray by quicksort
//Input: Subarray of array A[0..n-1], defined by its left and right
// indices / and r
//Output: Subarray A[1..r] sorted in nondecreasing order
if / <r
s+Partition (A[l..r]) //s is a split position
Quicksort(A[l..s -1])
Quicksort(A[s +1..r])
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Transcribed Image Text:ALGORITHM Quicksort(A[l..r]) //Sorts a subarray by quicksort //Input: Subarray of array A[0..n-1], defined by its left and right // indices / and r //Output: Subarray A[1..r] sorted in nondecreasing order if / <r s+Partition (A[l..r]) //s is a split position Quicksort(A[l..s -1]) Quicksort(A[s +1..r])
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