Top "Quicksort" questions

Quicksort is a sorting algorithm invented by C. A. R. Hoare that has an average-case complexity of O(n log n) and worst-case quadratic complexity.

Quicksort slower than Mergesort?

I was working on implementing a quicksort yesterday, and then I ran it, expecting a faster runtime than the Mergesort (…

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java algorithm quicksort mergesort
Quicksort - Hoare's partitioning with duplicate values

I have implemented the classic Hoare's partitioning algorithm for Quicksort. It works with any list of unique numbers [3, 5, 231, 43]. The only …

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algorithm sorting quicksort partitioning
Why is quicksort faster in average than others?

As we know, the quicksort performance is O(n*log(n)) in average but the merge- and heapsort performance is …

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arrays algorithm performance sorting quicksort