经典排序算法的实现，使用C语言实现的，可以作为参考。-The realization of the classic sort algorithm.

Design a class AbstractSort that can be used to analyze the number of comparisons performed by a sorting algorithm. The class should have a member function compare that is capable of comparing two array elements, and a means of keeping track of the n

Counting sort/C counting sort is an algorithm for sorting a collection of objects according to keys that are small integers