到各种排序算法的实现，适合初学者学习。包括冒泡，选择，堆，快排等-To achieve a variety of sorting algorithms, suitable for beginners to learn. Including bubble, selection, heap, quick discharge, etc.

手写的快排，适合在当作程序中的一个函数来使用，提高效率-Handwritten fast row, suitable as a function of the program to use and improve efficiency

快排，将小于枢轴的元素移到前面，将大于枢轴的元素移到后面-Fast scheduling, will be less than the pivot element to the front, will be greater than the pivot element to the back of