掌握多种内排序方法的基本思想、排序过程、算法实现，能进行时间和空间性能的分析，根据实际问题的特点和要求选择合适的排序方法。-Grasp the basic idea of a variety of internal sorting algorithm, sorting process, the algorithm can be time and space performance analysis, according to the characteristics and requirements of the actual problem to choose a suitable ranking method.