If comparison based sorting algorithm is used construct the suffix array, then what will be time required to construct the suffix array?(a) O(nlogn)(b) O(n^2)(c) O(n^2logn)(d) O(n^2) + O(logn)The doubt is from Arrays Types topic in portion Arrays Types of Data Structures & Algorithms II have been asked this question during an internship interview.

If comparison based sorting algorithm is used construct the suffix arr

1.	If comparison based sorting algorithm is used construct the suffix array, then what will be time required to construct the suffix array?(a) O(nlogn)(b) O(n^2)(c) O(n^2logn)(d) O(n^2) + O(logn)The doubt is from Arrays Types topic in portion Arrays Types of Data Structures & Algorithms II have been asked this question during an internship interview.
Answer» Correct choice is (c) O(n^2logn) Easy explanation - On average COMPARISON BASED sorting algorithms require O(NLOGN) comparisons. But comparing a suffix TAKES O(n). So, overall TIME to construct the suffix array will be O(nlogn) * O(n) = O(n^2logn).

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