The running time of quicksort can be improved in practice by taking advantage of the fast running time of insertion sort when its input is “nearly” sorted. When quicksort is called on a subarray with fewer than k elements, let it simply return wi

该代码是一个快速排序算法的代码，用java编写的，是一个很不错的代码，希望有帮助。-The code is a quick sort algorithm code, written in java, is a very good code, want to help.