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    Question

    Which of the following sorting algorithms has the best

    worst-case time complexity?
    A QuickSort Correct Answer Incorrect Answer
    B MergeSort Correct Answer Incorrect Answer
    C BubbleSort Correct Answer Incorrect Answer
    D InsertionSort Correct Answer Incorrect Answer
    E SelectionSort Correct Answer Incorrect Answer

    Solution

    MergeSort has a guaranteed O(n log n) worst-case complexity, unlike QuickSort which can degrade to O(n²).

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