circularQueue.enQueue(1); // 返回 true circularQueue.enQueue(2); // 返回 true circularQueue.enQueue(3); // 返回 true circularQueue.enQueue(4); // 返回 false,队列已满 circularQueue.Rear(); // 返回 3 circularQueue.is
: queue[rear] = item ...: ...: # 插入第一个元素,改变 front 的值 ...: if front == -1: ...: front = 0 In [97]: def dequeue(): ...: global front, rear ...: print queue ...: if not queue or (front == -1 and rear == -1): ...: raise Exception('queue is ...
deQueue() { int element; if(isEmpty()) { printf("\n Queue is empty!! \n"); return(-1); } else { element = items[front]; if (front == rear) { front = -1; rear = -1; } else { front = (front + 1) % SIZE;
deQueue(): Delete an element from the circular queue. Return true if the operation is successful. isEmpty(): Checks whether the circular queue is empty or not. isFull(): Checks whether the circular queue is full or not. Example: MyCircularQueue circularQueue = new MyCircularQueue(3); //...
{ return false; } } } /** * Your MyCircularQueue object will be instantiated and called as such: * MyCircularQueue obj = new MyCircularQueue(k); * boolean param_1 = obj.enQueue(value); * boolean param_2 = obj.deQueue(); * int param_3 = obj.Front(); * int param_4 = obj....
Rear: Get the last item from the queue. If the queue is empty, return -1. enQueue(value): Insert an element into the circular queue. Return true if the operation is successful. deQueue(): Delete an element from the circular queue. Return true if the operation is successful. ...
4.) dequeue():-This function is used to remove an element from the front of the queue. Code Snippet to enqueue an element in queue if((rear+1)% n != front) { rear =(rear+1)%n; Queue[rear]= item; } Code Snippet to dequeue an element from queue ...
("The circular queue is full\n")elif(self.head ==-1): self.head =0self.tail =0self.queue[self.tail] = dataelse: self.tail = (self.tail +1) % self.k self.queue[self.tail] = data# Delete an element from the circular queuedefdequeue(self):if(self.head ==-1):print("The ...
queue tail index and each queue head index indicates that there is sufficient room available in a circular queue for at least one more queue entry, a single producer thread is permitted to perform an atomic aligned write operation to the circular queue and then to update the queue tail index...
enQueue(value): Insert an element into the circular queue. Return true if the operation is successful. deQueue(): Delete an element from the circular queue. Return true if the operation is successful. isEmpty(): Checks whether the circular queue is empty or not. ...