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    Question

    Best case complexity of insertion sort

    is:
    A O(n²) Correct Answer Incorrect Answer
    B O(n log n) Correct Answer Incorrect Answer
    C O(n) Correct Answer Incorrect Answer
    D O(log n) Correct Answer Incorrect Answer
    E O(1) Correct Answer Incorrect Answer

    Solution

    If array is sorted, insertion sort takes linear time.

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