主流O(n^2)和O(n*logn)的排序算法的实现和部分算法的优化。以及算法的性能测试。可以很直观的展现算法性能和实现过程。(The implementation of the sorting algorithm for the mainstream O (n^2) and the O (n*logn) and the optimization of some algorithms. And the performance test of the algorithm. It can show