1、队列的基本结构 队列(queue)是一种线性表,其限制是仅允许在表的一端进行插入,而在表的另一端进行删除,插入元素的一端称为队尾(rear),删除元素的一端称为队首(front)。从队列中删除元素称为离队或出队,元素出队后,其后续元素成为新的队首元素。队列的结构示意图,如下所示: 由于队列的插入和删除操作分别...
{front=0;}itemCount--;returndata;}intmain(){/* insert 5 items */insert(3);insert(5);insert(9);insert(1);insert(12);insert(15);printf("Queue size: %d",size());printf("\nQueue: ");for(inti=0;i<MAX;i++){printf("%d ",intArray[i]);}if(isFull()){printf("\nQueue is ...
Basic Operations of Queue A queue is an object (an abstract data structure - ADT) that allows the following operations: Enqueue: Add an element to the end of the queue Dequeue: Remove an element from the front of the queue IsEmpty: Check if the queue is empty ...
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 circular queue is ...
Basic Operations of Queue The following operations are possible with a queue, which is an object (abstract data structure – ADT): Enqueue: Insert an element at the end of the queue. Dequeue: Simply remove an element from the front of the queue. ...
Circular Queue is a type of queue in which the last element is connected to the first element to make a circular data structure. In other words, a circular queue wraps around and reuses the space that the first element took up after the last element....
() is intended mainly to allow subclasses of immutable types (like int, str, or tuple) to customize instance creation. It is also commonly overridden in custom metaclasses in order to customize class creation.#self.__init__(self, depth)#print("owwoow", depth)res = super(stack, self)....
If the reference count is now zero, the previous // value (which is what fetch_add returns) was the negative of what we // added, in which case we can delete the node. if (ptr->internal_count.fetch_add(increased_count) == -increased_count) { delete ptr; } // Whether or not ...
★ The default value forfrontandbackis -1, denoting that the queue is empty. Let us wrap this group of data members in aclass: class Queue { int arr[] int capacity int front int back } Let us also create a constructor which initializescapacity, frontandback. ...
messages/data, whereascollections.dequeis simply intended as a datastructure. That's whyQueue.Queuehas methods likeput_nowait(),get_nowait(), andjoin(), whereascollections.dequedoesn't.Queue.Queueisn't intended to be used as a collection, which is why it lacks the likes of theinoperator....