queue_obj.put(i) for i in range(4): 当取出元素的时候发现没有元素的时候就会发生阻塞 print(queue_obj.get()) queue_obj = Queue(3) for i in range(3): queue_obj.put(i) for i in range(4): print(queue_obj.get(block=False)) 如果队列为空,仍然继续取元素,会发生报错 1. 2. 3. 4....
Explore object-oriented programming (OOP) in Python by creating a queue class. Learn how to implement methods for adding elements to the queue (enqueue) and removing elements from the queue (dequeue).
dequeue() return nameQueue.dequeue() print(hotPotato(["A","B","C","D","E","F"],7)) 双端队列的数据结构模型: 双端队列并不具有内在的LIFO或者FIFO特性 如果用双端队列来模拟栈或者队列,需要由使用者自行维护操作的一致性 使用Python实现ADT Deque: class Deque: def __init__(self): self....
simqueue=Queue()fornameinnameList: simqueue.enqueue(name)whilesimqueue.size()>1:foriinrange(num): simqueue.enqueue(simqueue.dequeue()) simqueue.dequeue()returnsimqueue.dequeue()if__name__ =="__main__":print(hotPotato(["Bill","David","Susan","Jane","Kent","Brad"],7)) 打印任务 ...
q=Queue()#创建队列q.enqueue(item)#数据入队列,在队列后面q.dequeue()#数据出队列,从队列前面移出数据并返回q.isEmpty()#返回队列是否为空q.size()#返回队列大小 操作示例: 2,用python实现队列 可以用python的list来实现队列,其定义如下面代码所示。 (其中enqueue和dequeue也可以用append和pop(0)来实现) ...
The list is a built-in data structure in python that can be used as a queue. In place of enqueue() and dequeue(), there are append() and pop() functions. However, using the list in the implementation is a quite slow process, as inserting or deleting an item from the beginning requi...
rear = node # 出队操作 def dequeue(self): if self.is_empty(): raise Exception('Queue is empty') else: node = self.front.next self.front.next = node.next # 当尾节点是第一个节点 if self.rear == node: self.rear = self.front value = node.value return value # 获取队头元素 def ...
The operations of a queue make it afirst-in-first-out (FIFO) data structure.[1] 在python中,队列也可以用类来实现。 classQueue:def__init__(self):self.items=[]defisEmpty(self):returnself.items==[]defenqueue(self,item):self.items.insert(0,item)defdequeue(self):returnself.items.pop()de...
int dequeue() { if(isempty()) return 0; int data = queue[front]; front = front + 1; return data; } Let’s combine and see the program having all the basic queue operations. Queue Implementation in Python, Java, C, and C++
simqueue.enqueue(name)#开始游戏whilesimqueue.size()>1:#队列长度>1foriinrange(num):#---相当于计数器 控制土豆传递数量0-num-1simqueue.enqueue(simqueue.dequeue())#确定拿着热土豆的人---传递一次,通过for循环让一次传递重复n次print(str(simqueue.dequeue())+" is eliminated .")#将拿热土豆的人...