Mar 28, 2025 · Given a stack that supports push and pop operations, your task is to implement a queue using one or more instances of that stack along with its operations. A queue can be implemented using two stacks. Let the queue be represented as q, and the stacks used for its implementation be s1 and s2.

Implement Queue using Stacks - Implement a first in first out (FIFO) queue using only two stacks. The implemented queue should support all the functions of a normal queue (push, peek, pop, and empty).

Mar 25, 2025 · Implement a stack using queues. The stack should support the following operations: Push (x): Push an element onto the stack. Pop (): Pop the element from the top of the stack and return it. A Stack can be implemented using two queues. Let Stack to be implemented be ‘s’ and queues used to implement are ‘q1’ and ‘q2’.

Sep 16, 2008 · Compare the sequence of top-of stacks to a direct array implementation of queue. Keep 2 stacks, let's call them inbox and outbox. Enqueue: Dequeue: Using this method, each element will be in each stack exactly once - meaning each element will be pushed twice and popped twice, giving amortized constant time operations.

Stack is a linear data structure that follows LIFO (Last In First Out) principle in which both insertion and deletion are performed from the top of the stack. Let's understand the implementation of Queue using stacks.

How to implement Queue using Stack? Implementation of Queues using Stack in C is a process of creating a queue using Stacks. In this article, we will be using a single stack for the purpose. When a single stack is used for implementing queues recursive stack call used.

We should use stack operations like push, pop, top, size, and isEmpty for implementing queue operations like enqueue, dequeue, and front. In this blog, we have discussed two approaches for implementing queue using two stacks: 1) Dequeue O(1) …

Jun 18, 2024 · Design a queue using only two stacks. Implement the methods push, pop, peek, and empty. self.stack1 = Stack() self.stack2 = Stack() time complexity O(n) space complexity O(1) """...

Sep 6, 2019 · Stacks are arrays that follow the LIFO method, while queues are arrays that follow the FIFO method. Essentially, we want our algorithm to get the capabilities of a queue (enqueue and...