用C++6.0编写，采用分治法求解快速排序和归并排序所花的时间并输出，能够具体地让大家明白时间复杂度这一抽象的概念-Using C++6.0 development, the use of sub-rule method to sort quick sort and merge the time spent and output, specifically so that everyone can understand the time complexity of this abstract c