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    Question

    Which of the following is true about

    MergeSort?
    A It is an in-place sort Correct Answer Incorrect Answer
    B It uses divide-and-conquer Correct Answer Incorrect Answer
    C It has O(n²) time complexity Correct Answer Incorrect Answer
    D It cannot be used for linked lists Correct Answer Incorrect Answer
    E It is unstable Correct Answer Incorrect Answer

    Solution

    MergeSort splits the array recursively and merges sorted subarrays; it is stable and not in-place.

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