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Quicksort is a sorting algorithm invented by C. A. R. Hoare that has an average-case complexity of O(n log n), worst-case complexity of O(n^2). It is one of the fastest general-purpose sorting algorithms in practice.

1 vote

Quicksort implementation in C++

To add to @Deduplicator suggestions, I would recommend you improve your runtime. I mean there is nothing wrong in the implementation itself but currently you are using the last element of the array as …
Daniel Glazer's user avatar