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

Java实现K-means算法，很好，很实用的-Java implementation of the K-means algorithm, very good, very practical

扩展AVLTree，添加克隆，合并和打印方法-extend the AVLTree class to include the following methods: clone(AVLTree<K,V> tree)；merge(AVLTree<K,V> tree1, AVLTree<K,V> tree2 )；void print(AVLTree<K, V>)

k-means 算法用java实现对二维点集合的分类 输入相应的类别数 选择聚类中心-k-means algorithm to classify the input using java-dimensional set of points corresponding to the number of categories to select the cluster centers