假设以数组A[m]存放循环队列的元素,其头尾指针分别为front和rear,则当前队列中的元素个数为()。A.(rear-front+m)%mB.rear-front+1C.(front-rear+m)%mD.(rear-front)%m

假设以数组A[m]存放循环队列的元素,其头尾指针分别为front和rear,则当前队列中的元素个数为()。

A.(rear-front+m)%m

B.rear-front+1

C.(front-rear+m)%m

D.(rear-front)%m


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