Given an array arr of n elements which is first increasing and then may be decreasing, find the maximum element in the array. Note: If the array is increasing then just print then last element will be the maximum value.
Example 1:
Input:
n = 9
arr[] = {1,15,25,45,42,21,17,12,11}
Output: 45
Explanation: Maximum element is 45.
Example 2:
Input:
n = 5
arr[] = {1, 45, 47, 50, 5}
Output: 50
Explanation: Maximum element is 50.
Your Task:
You don't need to read input or print anything. Your task is to complete the function findMaximum() which takes the array arr[], and nas parameters and returns an integer denoting the answer.
Expected Time Complexity: O(logn) Expected Auxiliary Space: O(1)
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Avoid using static/global variables in coding problems as your code is tested
against multiple test cases and these tend to retain their previous values.
Passing the Sample/Custom Test cases in coding problems does not guarantee the
correctness of code. On submission, your code is tested against multiple test cases
consisting of all possible corner cases and stress constraints.
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