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设以数组A[O..m-1]存放循环队列，front指向队头元素，rear指向队尾元素的下一个位置，则当前队列中的元素个数为()

高老师2年前 (2024-03-26)数据结构(02331)8

设以数组A[O..m-1]存放循环队列，front指向队头元素，rear指向队尾元素的下一个位置，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

正确答案是A

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