myqueue.push(7);// Queue becomes 3, 4, 1, 7cout<< myqueue.front();return0; } 输出: 3 queue::back() 此函数用于引用队列容器的最后一个或最新元素。此函数可用于从队列的后面获取第一个元素。 用法: queuename.back()参数:No value is needed to pass as the parameter.返回:Direct reference ...
front():返回 queue 中第一个元素的引用。如果 queue 是常量,就返回一个常引用;如果 queue 为空,返回值是未定义的。 back():返回 queue 中最后一个元素的引用。如果 queue 是常量,就返回一个常引用;如果 queue 为空,返回值是未定义的。 push(const T& obj):在 queue 的尾部添加一个元素的副本。这是通...
cout << "队头元素-- 姓名: " << q.front().m_Name << " 年龄: " << q.front().m_Age << endl; cout << "队尾元素-- 姓名: " << q.back().m_Name << " 年龄: " << q.back().m_Age << endl; cout << endl; //弹出队头元素 q.pop(); } cout << "队列大小为:" <<...
// Front of the queue points to the first prefetched item, back of // the pipe points to last un-flushed item. Front is used only by // reader thread, while back is used only by writer thread. yqueue_t<T, N> queue; // Points to the first un-flushed item. This variable is u...
队列(Queue)是一种特殊的线性表,特殊之处在于它只允许在表的前端(front)进行删除操作,而在表的后端(rear)进行插入操作,和栈一样,队列是一种操作受限制的线性表。进行插入操作的端称为队尾,进行删除操作的端称为队头。队列中没有元素时,称为空队列。 队列的数据元素又称为队列元素。在队列中插入一个队列元素...
Design Front Middle Back Queue 设计前中后队列 Description Design a queue that supports push and pop operations in the front, middle, and back. Implement the FrontMiddleBack class: FrontMiddleBack() Initializes the queue. void pushFront(int val) Adds val to the front of the queue. void push...
queue::back queue::empty queue::front queue::pop queue::push queue::queue queue::size 閱讀英文版本 儲存 新增至集合 新增至計劃 Share via Facebookx.comLinkedIn電子郵件 列印 文章 25/07/2011 在此文章 Return Value Remarks Example Output
for a bank teller. Elements (people) may be added to the back of the line and are removed from the front of the line. Both the front and the back of a line may be inspected. The restriction to accessing only thefrontandbackelements in this way is the reason for using thequeueclass....
15. The lorry ran into the back of the rearmost car in the queue which bumped into the car in front, which then hit the next one, and so on in a chain reaction. 那辆卡车撞到了队伍中最后面一辆汽车的尾部,汽车又冲撞到前面的汽车,前面的汽车又碰撞到了再前面的,这形成了连锁的反应。
queue - a braid of hair at the back of the head braid, plait, tress, twist - a hairdo formed by braiding or twisting the hair Verb 1. queue - form a queue, form a line, stand in line; "Customers lined up in front of the store" queue up, line up stand, stand up - be standi...