## What is quickquick sort algorithm?

## What is the basic idea of quicksort?

- The basic idea of quicksort is to pick an element called the pivot element and partition the array. The quicksort algorithm is also known as a partition-exchange algorithm. The partition in quicksort divides the given array into 3 parts: Elements less than the pivot element

## How to do quick sort in C program?

**Quick Sort**in C Program. The following code demonstrates the**quick sort**in C process. It asks the user to input a number of elements (up to 25) that requires sorting and then presents those elements in the sorted order: #include void quicksort ( int number [ 25 ], int first, int last ) { int i, j, pivot, ...

## What is the worst case complexity of quick sort?

- Worst case complexity occurs when the pivot elements get selected at the end of the array every time while partitioning. So the array will get partition into two subarray having elements (n-1) and 1. Note: Unlike to all the major sorting algorithms, QuickSort takes more time if the input array is already sorted.

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