A.無需預(yù)分配空間B.存儲密度高C.便于進(jìn)行插入和刪除操作D.便于隨機(jī)存取
A.rear=front=0B.rear=front=nullC.rear=frontD.front=0
A.rear==front+1B.front!=rearC.front==rear+1D.front==(rear+1)%maxSize