Python Java C C++ # Queue implementation in PythonclassQueue():def__init__(self, k):self.k = k self.queue = [None] * k self.head = self.tail =-1# Insert an element into the queuedefenqueue(self, data):if(self.tail == self.k -1):print("The queue is full\n")elif(self.he...
Due to this property, dequeue may not follow the first in first out property. Queue implementation using Array: For the implementation of queue, we need to initialize two pointers i.e. front and rear, we insert an element from the rear and remove the element from the front, and if we i...
The time complexity of enqueue and dequeue operations in a standard queue implementation is O(1) (constant time). It means that the time taken to perform these operations does not depend on the number of elements present in the queue. Q5. Can a queue be implemented using an array? Yes, ...
The most common queue implementation is using arrays, but it can also be implemented using lists. Python Java C C++ # Circular Queue implementation in PythonclassMyCircularQueue():def__init__(self, k):self.k = k self.queue = [None] * k self.head = self.tail =-1# Insert an element...
# Python Queue演示程序 if __name__ == '__main__': queue = deque() queue.append(1) #將1插入Queue queue.append(2) #將 2 插入Queue queue.append(3) #將 3 插入Queue queue.append(4) #將 4 插入Queue # 打印Queue的最前面的項目 print('The front element is', queue[0]) # 1 queue...
The queue size is 2 The queue is not empty Also See: Circular Queue implementation in C Queue Implementation in C++ Queue Implementation in Python Queue Implementation using a Linked List – C, Java, and Python Rate this post Average rating 4.63/5. Vote count: 189 Beginner...
5)len(Q) : Return the number of elements in the queue 3. Queue Implementation 1classEmpty(Exception):2"""Error attempting to access an element from an empty container"""3pass 1classArrayQueue():2"""FIFO queue implementation using a python list as underlying storage."""3Default_capacity ...
4. Implementation of Double Ended Queue Double-ended queue, also known as deque, can be implemented in Python using thecollectionsmodule. The module provides a class calleddeque, which allows you to create a double-ended queue of any length. You can see the simple example below. ...
Enhance the implementation of Queue using list (TheAlgorithms#8608) Browse files * enhance the implementation of queue using list * enhance readability of queue_on_list.py * rename 'queue_on_list' to 'queue_by_list' to match the class name master (TheAlgorithms/Python#8608) amirsoroush...
Array Implementation of QueueIn Array implementation FRONT pointer initialized with 0 and REAR initialized with -1.Consider the implementation :- If there is 5 items in a QueueNote: In case of empty queue, front is one position ahead of rear : FRONT = REAR + 1;...