A.front=front+1
B.front=(front+1)%(m-1)
C.front=(front-1)%m
D.front=(front+1)%m
A.sq↑.front:=sq↑.front+1;
B.Sq↑.front:=(Sq↑.front+1)%maxsize;
C.sq↑.rear:=(sq↑.rear+1)%maxsize;
D.sq↑.front:=(sq↑.front+1)%(maxsize+1) ;
A.sq↑.front:=sq↑.front+1;
B.sq↑.front:=(sq↑.front+1)%maxsize;
C.sq↑.rear:=(sq↑.rear+1)%maxsize;
D.sq↑.front:=(sq↑.front+1)%(maxsize+1);
A.front=(front+1)%(m+1)
B.front=(front+1)%m
C.rear=(rear+1)%m
D.front=front+1
A.(Q.rear+Q.len-1)
B.(Q.rear+Q.1en-1+M)%M
C.(Q.rear-Q.1en+1)
D.(Q.rear-Q.1en+1+M)%M
(57)
A. (Q.rear+Q.len-1)
B. (Q.rear+Q.len-1+M)%M
C. (Q.rear-Q.len+1)
D. (Q.rear-Q.len+1+M)%M
(41)
A. rear – front
B. front – rear
C. (rear –front + M) MOD M
D. (front – rear + M) MOD M
在-个容量为32的循环队列中,若头指针front3,尾指针rear=2,则该循环队列中共有元素个数为()。
A.29
B.30
C.31
D.32