Interview题目是对n个数据进行排序再输出。利用循环链表可以方便的进行m次后移，并且利于倒序输出。构建结构体struct in，结构体中有每个面试者的编号no，和指向下一个结构体的指针。-Interview data subject is a sort of n and then output. Use circular list can easily be moved after m times, and is conducive to reverse output. Construct