共找到 212 与front==NULLB 相关的结果，耗时0 ms
●判定"带头结点的链队列为空"的条件是 (56) 。(56) A．Q.front==NULLB．Q.rear==NULLC．Q.front==Q.rearD．Q.front!=Q.rear
Mrs. Tailor stopped sweeping when____A. her front steps were cleanB. she noticed the children in the treeC. she was ready to take a flightD. she hear
25________A.mainB.sameC.frontD.back
If we sit near _______ front of the bus, we’ll have _______ better view.A. 不填；theB. 不填；aC. the; aD. the；the
I like this house with a beautiful garden in front , but I don’t have enough money to buy__________.A. one B. it C. this D. that
设数组data[0…m)作为循环队列sq的存储空间，front为队头指针，rear为队尾指针，则执行出队操作的语句为A．sq↑.front:=sq↑.front+1；B．sq↑.front:=(sq↑.front+1)%maxsize；C．sq↑.rear:=(sq↑.rear+1)%maxsiz
在SQL中，下列涉及空值的操作，不正确的是A．AGE IS NULLB．NOT(AGE IS NULL)C．AGE = NULLD．AGE IS NOT NULL
设数组data[m]作为循环队列sq的存储空间，front为队头指针，rear为队尾指针，则执行出队操作后其头指针front值为( )。A．front=-front+1B．front=-(front+1)%(m-1)C．front=-(front-1)%mD．front=-(front+1)%m
设数组data[O…m]作为循环队列sq的存储空间，front为队头指针，rear为队尾指针，则执行出队操作的语句为A．sq↑．front：=sq↑．front+1；B．sq↑．front：=(sq↑．front+1)%maxsize；C．sq↑．rear：=(sq↑．rear+1)%maxsiz
假定一个链队列的队首和队尾指针分别为front和rear，则判断队空的条件为( )。A．front==rearB．front!＝NULLC．rear!=NULLD．front==NULL
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