MergeSort(A, p, r): if p > r return q = (p+r)/2 mergeSort(A, p, q) mergeSort(A, q+1, r) // reorder array elements mergeSort(A, p, r-1)
MergeSort(A, p, r): if p > r return q = (p+r)/2 mergeSort(A, p, q) mergeSort(A, q+1, r) // reorder array elements mergeSort(A, p, r-1)
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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Question
What is a recurrence relation for the following Mergesort
MergeSort(A, p, r):
if p > r
return
q = (p+r)/2
mergeSort(A, p, q)
mergeSort(A, q+1, r)
// reorder array elements
mergeSort(A, p, r-1)
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