说明：  算法课程实验一 五种排序算法的分析比较 实验目的 掌握选择排序、插入排序、冒泡排序、快速排序、归并排序五种排序算法原理，并实现上述算法；
(The analysis and comparison of five sorting algorithms Experimental purpose Master the principles of five sorting algorithms: selection sorting, insertion sorting, bubble sorting, fast sorting and merge sorting, and implement the above algorithms;)