How do I write a quick sort program?

Understand the Problem

The question is asking for guidance on how to write a quick sort program, which is an algorithm used for sorting elements in an array or list. This implies a need for coding knowledge and an understanding of algorithms.

Answer

Choose a pivot, partition, and recursively sort sub-arrays.

Choose a pivot, partition the array around the pivot, and then recursively apply this process to the two partitioned sub-arrays.

Answer for screen readers

Choose a pivot, partition the array around the pivot, and then recursively apply this process to the two partitioned sub-arrays.

More Information

Quicksort is an efficient algorithm that uses a divide-and-conquer strategy to sort arrays in an average time complexity of O(n log n).

Tips

A common mistake is not choosing a good pivot which can lead to unbalanced partitions and poor performance.

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