Understanding three way quicksort algorithm
Now that we understand the importance of the three-way quicksort and its advantages and limitations, let's delve into the algorithm used to implement it.
Why is this algorithm also called the Dutch national flag quicksort?
The algorithm is called Dutch national flag quicksort because its partitioning step is similar to the Dutch National Flag Sort. Elements less than the pivot are tracked by the left pointer, elements equal to the pivot by the mid pointer, and elements greater than the pivot by the right pointer. This three-way division mirrors how the Dutch National Flag sort separates values into small, mid, and large regions.
The algorithm is called Dutch national flag quicksort because its partitioning step is similar to the Dutch National Flag Sort. Elements less than the pivot are tracked by the left pointer, elements equal to the pivot by the mid pointer, and elements greater than the pivot by the right pointer. This three-way division mirrors how the Dutch National Flag sort separates values into small, mid, and large regions.
Algorithm
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