cpp-stack

78 posts

Program to insert an element at the Bottom of a Stack

Last Updated: 15 April 2025

Given a stack s containing n integers and an integer x, the task is to insert the element x at the bottom of the stack.Examples:Input:x = 7s ...read more

Stack

Recursion

Data Structures

cpp-stack

cpp-stack-functions

DSA

Preorder, Postorder and Inorder Traversal of a Binary Tree using a single Stack

Last Updated: 18 January 2022

Given a binary tree, the task is to print all the nodes of the binary tree in Pre-order, Post-order, and In-order iteratively using only one...read more

Implementing Backward and Forward buttons of Browser

Last Updated: 29 March 2023

Design the forward and backward buttons of a Browser using Stack Data Structure. If at any instance, the URL does not exist after pressing a ...read more

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Implement Undo and Redo features of a Text Editor

Last Updated: 27 August 2021

Given an array of strings Q[], consisting of queries of the following types:“WRITE X”: Write a character X into the document.“UNDO”: ...read more

interview-preparation

Data Structures

cpp-stack

DSA

Check if the two given stacks are same

Last Updated: 01 November 2023

Given two Stacks, the task is to check if the given stacks are same or not.Two stacks are said to be same if they contains the same elements...read more

Last Updated: 11 February 2025

Given an array, print the Next Smaller Element (NSE) for every element. The NSE for an element x is the first smaller element on the right s ...read more

stack emplace() in C++ STL

Last Updated: 30 May 2023

Stacks are a type of container adaptors with LIFO(Last In First Out) type of working, where a new element is added at one end (top) and an e ...read more

stack swap() in C++ STL

Last Updated: 24 July 2024

Stacks are a type of container adaptors with LIFO(Last In First Out) type of work, where a new element is added at one end and (top) an elem ...read more

Reverse individual words

Last Updated: 17 March 2025

Given string str, we need to print the reverse of individual words.Examples: Input: Hello WorldOutput: olleH dlroWExplanation: Each word in ...read more

stack::push() and stack::pop() in C++ STL

Last Updated: 11 January 2025

The stack::push() and stack::pop() method in stack container is used to insert and delete the element from the top of stack. They are the me ...read more

STL

CPP-Library

C++

cpp-containers-library

cpp-stack

cpp-stack-functions

stack top() in C++ STL

Last Updated: 14 February 2025

In C++, the std::stack::top() is used to find the top element of the std::stack container. It is a member function of std::stack class defin ...read more

STL

CPP-Library

C++

cpp-containers-library

cpp-stack

cpp-stack-functions

stack empty() and stack size() in C++ STL

Last Updated: 08 April 2025

The std::stack::size() and std::stack::empty() in C++ are built-in functions that are used to provide information about the size of the stac ...read more

cpp-containers-library

cpp-stack

cpp-stack-functions

ZigZag Tree Traversal

Last Updated: 23 September 2024

Given a binary tree, the task is to find the zigzag level order traversal of the tree. In zig zag traversal starting from the first level go...read more

Number of NGEs to the right

Last Updated: 09 October 2023

Given an array of N integers and Q queries, print the number of next greater elements to the right of the given index element.Examples:Input ...read more

Last Updated: 28 February 2025

In C++, stack container follows LIFO (Last In First Out) order of insertion and deletion. It means that most recently inserted element is re...read more

Stack

STL

C++

cpp-containers-library

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