Given an array of n objects, you need to decide if there is an object which is present more than n/2 times. The only operation by which you can access the objects is a function f, which given two indices i and j, outputs whether the objects at positions i and j in the array are identical or not. Give an O(n log n)-time divide-and-conquer algorithm for this (where each call to f is counted as one operation).
Given an array of n objects, you need to decide if there is an object which is present more than n/2 times. The only operation by which you can access the objects is a function f, which given two indices i and j, outputs whether the objects at positions i and j in the array are identical or not. Give an O(n log n)-time divide-and-conquer algorithm for this (where each call to f is counted as one operation).
Computer Networking: A Top-Down Approach (7th Edition)
7th Edition
ISBN:9780133594140
Author:James Kurose, Keith Ross
Publisher:James Kurose, Keith Ross
Chapter1: Computer Networks And The Internet
Section: Chapter Questions
Problem R1RQ: What is the difference between a host and an end system? List several different types of end...
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![Question 1.5
Given an array of n objects, you need to decide if there is an object which is present more than
n/2 times. The only operation by which you can access the objects is a function f, which given
two indices i and j, outputs whether the objects at positions i and j in the array are identical
or not. Give an O(n log n)-time divide-and-conquer algorithm for this (where each call to f is
counted as one operation).](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fc90de667-42b9-451b-ad3c-c8cf13aebba7%2Fcda25928-e43b-49d1-b325-32e33c6bf9ff%2Fo6u8hs8_processed.jpeg&w=3840&q=75)
Transcribed Image Text:Question 1.5
Given an array of n objects, you need to decide if there is an object which is present more than
n/2 times. The only operation by which you can access the objects is a function f, which given
two indices i and j, outputs whether the objects at positions i and j in the array are identical
or not. Give an O(n log n)-time divide-and-conquer algorithm for this (where each call to f is
counted as one operation).
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