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unnikked / QuickSelect.java
Created July 4, 2015 15:40
A basic implementation of quickselect algorithm in Java. Intentionally unused generics.
import java.util.Arrays;
/**
* quickselect is a selection algorithm to find the kth smallest element in an
* unordered list. Like quicksort, it is efficient in practice and has good
* average-case performance, but has poor worst-case performance. Quickselect
* and variants is the selection algorithm most often used in efficient
* real-world implementations.
*
* Quickselect uses the same overall approach as quicksort, choosing one