What is quick sort and how does it work?
Quick sort is a divide-and-conquer algorithm that sorts an array by selecting a 'pivot' element and partitioning the other elements into two sub-arrays according to whether they are less than or greater than the pivot.
Can you explain the steps involved in the quick sort algorithm?
Sure! The steps are: 1) Choose a pivot, 2) Partition the array, 3) Recursively apply quick sort to the sub-arrays, and 4) Combine the results.
What is the time complexity of quick sort?
The average time complexity of quick sort is O(n log n), but in the worst case, it can be O(n²) if the pivot is poorly chosen.
Are there any optimizations for quick sort?
Yes, some optimizations include choosing a better pivot (like the median), using insertion sort for small sub-arrays, and avoiding unnecessary swaps.
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