Quicksort Multiple choice Questions and Answers (MCQs)
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Which of the following sorting algorithms is the fastest?
Question 1 Explanation:
Quick sort is the fastest known sorting algorithm because of its highly optimized inner loop.
Quick sort follows Divide-and-Conquer strategy.
Question 2 Explanation:
In quick sort, the array is divided into sub-arrays and then it is sorted (divide-and-conquer strategy).
What is the worst case time complexity of a quick sort algorithm?
O(N log N)
Question 3 Explanation:
The worst case performance of a quick sort algorithm is mathematically found to be O(N2).
Which of the following methods is the most effective for picking the pivot element?
Question 4 Explanation:
Median-of-three partitioning is the best method for choosing an appropriate pivot element. Picking a first, last or random element as a pivot is not much effective.
Find the pivot element from the given input using median-of-three partitioning method.
8, 1, 4, 9, 6, 3, 5, 2, 7, 0.
Question 5 Explanation:
Left element=8, right element=0,
There are 5 questions to complete.