In this video, I will explain Quick Sort step-by-step and provide the Quicksort code in Java at the end of the video. This is an important topic in computer science.
Quick sort is perhaps the fastest sorting algorithm, as it is used in the built-in sort functions from many languages, such as Java. The best case for quicksort is O(nlogn). The average case for quicksort is also O(nlogn). The worst case for quicksort is O(n^2). The analysis of quicksort will be covered in a seperate video.
Quicksort requires something called partitioning. While the word "partition" sounds scary, partition is actually very simple. It is almost like a game with two players. The goal of the partition game is to get all the numbers smaller than the pivot to the left side of the pivot, and all the numbers larger than the pivot to the right side of the pivot.
In the next video, I will discuss radix sort and bucket sort.
LIKE & SUBSCRIBE:
🔴 My Channel: www.youtube.com/c/QuocDatPhung
🔴 My second channel: https://www.youtube.com/channel/UCtgROmYhSv97aE11LMiB7yg
