The Dequeue is basically double ended queue. So there are two front and two rear pairs. One pair of front and rear pointer is used to describe the queue from left side, and another one is used to describe it from the right side. We can insert or delete elements from both side in thi...
问为什么std::queue使用std::dequeue作为底层默认容器？ENC++中函数指针的用途非常广泛，例如回调函数，...