设指针变量front表示链式队列的队头指针,指针变量rear表示链式队列的队尾指针,指针变量s指向将要入队列的结点X,则入队列的操作序列为()。
As->next=rear;rear=s;
Bfront->next=s;front=s;
Crear->next=s;rear=s;
Ds->next=front;front=s;
As->next=rear;rear=s;
Bfront->next=s;front=s;
Crear->next=s;rear=s;
Ds->next=front;front=s;