采用分治法，比较快速排序和归并排序的时间复杂度，即计算每个排序过程所花的时间并输出。-The use of sub-rule law, compare quick sort and merge sort time complexity, that is calculated for each sort process and output the time spent.

语音文件的处理，合并多个语音文件到一个语音文件。-The handling of audio files, merge multiple audio files into an audio file.

经典的冒泡排序法、选择排序法、插入比较法、快速排序法及归并排序法的比较。-Classic bubble sort method, select the sort method, insert comparison, quick sort merge sort method and comparison method.