这是quick sort的源代码，算法和平常大家见到的有细微的改动-This is a quick sort of source code, algorithms, and usually we see subtle changes

算法设计课程全部代码，包括0-1背包问题，回溯方法解n皇后问题，最大字段和，归并排序等算法，并全部包含人机交互过程-Algorithm design courses all the code, including the 0-1 knapsack problem, backtracking method to solve n-queens problem, the maximum field and, merge sort algorithms, and all include human-co