Write an algorithm to find the “Peak". From a list of numbers, if a number is not smaller than its left and right is called “Peak". Usually it will take O(n), where “n" is the number of elements in the list. Prove that, your algorithm finds the answer within O(log2 n) in worse-case. Example: Input 1 2 3 4 5 10 7 5 3 1 21 5 17 11 39 Output 5 10 17
Write an algorithm to find the “Peak". From a list of numbers, if a number is not smaller than its left and right is called “Peak". Usually it will take O(n), where “n" is the number of elements in the list. Prove that, your algorithm finds the answer within O(log2 n) in worse-case. Example: Input 1 2 3 4 5 10 7 5 3 1 21 5 17 11 39 Output 5 10 17
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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Transcribed Image Text:Write an algorithm to find the “Peak". From a list of numbers, if a number is
not smaller than its left and right is called "Peak". Usually it will take O(n),
where “n" is the number of elements in the list. Prove that, your algorithm
finds the answer within O(log, n) in worse-case.
Example:
Input
1 2 3 4 5
10 7 5 3 1
21 5 17 11 39
Output
10
17
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