A peak element in an array is the one that is not smaller than its neighbours. Given an array arr[] of size N, find the index of any one of its peak elements. Note: The generated output will always be 1 if the index that you return is correct. Otherwise output will be 0.

Computer Networking: A Top-Down Approach (7th Edition)
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Author:James Kurose, Keith Ross
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A peak element in an array is the one that is not smaller than its
neighbours.
Given an array arr[] of size N, find the index of any one of its peak
elements.
Note: The generated output will always be 1 if the index that you return
is correct. Otherwise output will be 0.
Example 1:
Input:
N = 3
arr[] = {1,2,3}
Output: 1
Explanation : index 2 is 3.
It is the peak element as it is
greater than its neighbour 2.
Transcribed Image Text:A peak element in an array is the one that is not smaller than its neighbours. Given an array arr[] of size N, find the index of any one of its peak elements. Note: The generated output will always be 1 if the index that you return is correct. Otherwise output will be 0. Example 1: Input: N = 3 arr[] = {1,2,3} Output: 1 Explanation : index 2 is 3. It is the peak element as it is greater than its neighbour 2.
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