Select the correct answerWhat is the average running time of a quick sort algorithm?OptionsO(N^2)O(N log N)O(log N)O(N)
Question
Select the correct answerWhat is the average running time of a quick sort algorithm?OptionsO(N^2)O(N log N)O(log N)O(N)
Solution
The correct answer is O(N log N). This is the average running time of a quick sort algorithm when the pivot is chosen optimally. However, in the worst-case scenario, the running time can be O(N^2) if the pivot is chosen poorly.
Similar Questions
Select the correct answerWhat is the worst case time complexity of a quick sort algorithm?OptionsO(N)O(N^2)O(log N)O(N log N)
What is the average run time of Quick Sort algorithm in terms of Big O? a. O(logN) b. O(N!) c. O(NlogN) d. O(N^2) e. O(N)
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The O(n log n) average-case running time analysis of quicksort relies on several assumptions. Which of the following does not need to be assumed:Group of answer choicesThat the result of each partitioning step is an arrangement in which the pivot value ends up close to the middle of the partitioned arrayThat the result of each partitioning step is an arrangement in which the pivot value is equally likely to end up in each position of the partitioned arrayThat each comparison of two elements can be carried out in O(1) timeThat each function call can be carried out in O(1) timeThat each swap of two elements can be carried out in O(1) time
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