Data Structures and Algorithms
with Object-Oriented Design Patterns in Java 
In the best case,
the partitioning step divides the remaining elements
into two sequences with exactly the same number of elements.
For example,
suppose that 
for some integer m>0.
After removing the pivot 
elements remain.
If these are divided evenly, each sequence will have 
elements.
In this case Equation 
gives
Copyright © 1998 by Bruno R. Preiss, P.Eng. All rights reserved.