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Is quicksort a stable sorting algorithm?
No, quicksort is not a stable sorting algorithm.
Which is faster among quicksortmergesort?
quicksort
What is the memory complexity of quicksort algorithm?
The memory complexity of the quicksort algorithm is O(log n) in the best and average cases, and O(n) in the worst case.
What is the space complexity of quicksort algorithm?
The space complexity of the quicksort algorithm is O(log n) in the best and average cases, and O(n) in the worst case.
What is the time complexity of quicksort algorithm?
The time complexity of the quicksort algorithm is O(n log n) in the average case and O(n2) in the worst case.
What is the worst-case time complexity of quicksort?
The worst-case time complexity of quicksort is O(n2), where n is the number of elements in the array being sorted.
What is the time complexity of quicksort when the first element is chosen as the pivot?
The time complexity of quicksort when the first element is chosen as the pivot is O(n2) in the worst-case scenario.
Is Quicksort implemented in place?
Yes, Quicksort is implemented in place, meaning it sorts the elements within the original array without requiring additional memory for a separate copy of the data.
What is the Big O notation of Quicksort algorithm in terms of time complexity?
The Big O notation of Quicksort algorithm is O(n log n) in terms of time complexity.
What is the time complexity of Quicksort algorithm in terms of Big O notation?
The time complexity of Quicksort algorithm is O(n log n) in terms of Big O notation.
What is the recurrence relation for the quicksort algorithm and how does it affect the time complexity of the sorting process?
The recurrence relation for the quicksort algorithm is T(n) T(k) T(n-k-1) O(n), where k is the position of the pivot element. This relation affects the time complexity of quicksort by determining the number of comparisons and swaps needed to sort the elements. The average time complexity of quicksort is O(n log n), but in the worst-case scenario, it can be O(n2) if the pivot selection is not optimal.
How does the sorting algorithm Quicksort work?
Quicksort is faster than other algorithms, though it is a comparison sort, not a stable sort. It uses O(n log n) comparisons to sort n terms. It works well with cache.
