Quick Sort Algorithm | How Quick Sort Works (Example Diagram) | Part - 1 | Sorting Algorithms - DSA

Published: 07 January 2020
on channel: Simple Snippets

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--------------------------------------------------------------------------------------------- In this DSA tutorial, we will understand the working of Quick Sort Algorithm with the help of a visual diagram. We will dry run the entire quick sort sorting algorithm to understand its working.
QuickSort is a Divide and Conquer algorithm. It picks an element as pivot and partitions the given array around the picked pivot.
There are many different versions of quickSort that pick pivot in different ways.
1. Always pick first element as pivot.
2. Always pick last element as pivot (implemented in this video)
3. Pick a random element as pivot.
4. Pick median as pivot.
The key process in quickSort is partition().
In the Partitioning process, we perform In-Place sorting on the same array/list in such a way that, all the elements smaller than the pivot element are shifted to the left of the pivot element & all the elements that are larger than the pivot element are shifted to the right of the pivot element.
Full DSA playlist -    • Introduction to Data Structures & Algorith...
Full Code & Theory article - https://simplesnippets.tech/quick-sor...
C++ Programming Tutorials for Beginners Course -    • Introduction to Computer Programming & C++...

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