题目:循环队列是空队列的条件是()。 A Q - > rear = = Q -> front B (Q - > rear + 1)%maxsize = = Q - >front C Q - > rear = =0 D Q - > front = = 0
A. Q - > rear = = Q -> front
B. (Q - > rear + 1)%maxsize = = Q - >front
C. Q - > rear = =0
D. Q - > front = = 0
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