A. (rear+1)MODn=front B. rear=front C. rear+1=front D. (rear-l)MODn=front
A. 2 B. 4 C. 8 D. 无限递归
A. H->link=s B. s->link=H->link;H->link=s; C. s->link=H;H=s; D. s->link=H;H=H->link;
A. push,pop,push,pop,push,pop B. push,push,push,pop,pop,pop C. push,push,pop,pop,push,pop D. push,pop,push,push,pop,pop
A. abcdd+- B. abc+*d- C. abc*+d- D. -+*abcd