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What is Quicksort Time Complexity Analysis about?
Quicksort has a time complexity of O(n log n) on average. While its worst-case time complexity is O(n^2), it performs partitioning at each step which divides the list into two sub-lists, reducing their size at each recursive call. On average, this results in O(log n) recursive calls processing the entire list of size n, yielding O(n log n) time complexity. Quicksort also has a space complexity of O(log n) in the average and best cases when implemented carefully using tail recursion.
- Author
- Inderpal Singh
- Language
- EN