Question: Consider the problem of determining whether a given arbitrary input array has unique elements or not. To solve this problem, let us first use a

Consider the problem of determining whether a given arbitrary input array has unique elements or not. To solve this problem, let us first use a sorting algorithm to get the input arbitrary array sorted and then use the algorithm discussed in class to determine whether the sorted array has unique elements or not.
(a) Let the sorting algorithm be of time complexity O(n2). What is the overall time complexity to determine whether a given arbitrary array has unique elements or not?
(b) Let the sorting algorithm be of time complexity \Theta (nlogn). What is the overall time complexity to determine whether a given arbitrary array has unique elements or not?

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