题目内容:
● 某循环队列的容量为 M,队头指针指向队头元素,队尾指针指向队尾元素之后,如下图所示(M=8) ,则队列中的元素数目为 (41) (MOD表示整除取余运算) 。(41)
A. rear – front
B. front – rear
C. (rear –front + M) MOD M
D. (front – rear + M) MOD M
参考答案:
(41)
A. rear – front
B. front – rear
C. (rear –front + M) MOD M
D. (front – rear + M) MOD M