Quick sort is one of the most popular sorting algorithms (see the Introduction to sorting algorithms section) to implement, and it is also considered the most efficient in many cases.
Implementing the quick sort algorithm
Explanation of quick sort
The following visual shows you a high-level view of quick sort:
In this example, the algorithm chooses a pivot value, which in this case is 4. From there, it splits the collection into two groups: one with elements to the left of 4 and the other to the right of 4. Next, quick sort is recursively called on the newly formed left and right collections. For example, the group lower than 4 is chosen next and another pivot point for this subgroup is identified. Based on this pivot point...