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Data Structures-Stack

9 posts

Stack using Array

Last Updated: 15 December 2025

A stack is a linear data structure that follows the Last-In-First-Out (LIFO) principle. It can be implemented using an array by treating the end of the array as the top of...read more

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Data Structures-Stack

Counting Distinct Arrays by Removal and Concatenation of Elements

Last Updated: 29 February 2024

Given an array arr[] of length N, the task is to create an array res[] of length N where each element res[i] represents the count of distinct arrays obtained by applying ...read more

Data Structures-Stack

Algorithms-Greedy Algorithms

Geeks Premier League 2023

Stack for Competitive Programming

Last Updated: 23 July 2025

For competitive programming to be successful, efficient data structures and algorithms are essential. The stack is one such tool. In this article, we will examine how stac...read more

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Data Structures-Stack

Kahn's Algorithm vs DFS Approach: A Comparative Analysis

Last Updated: 19 October 2023

Topological sorting is a common problem in computer science that involves arranging the vertices of a directed acyclic graph (DAG) in a linear order such that for every di...read more

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Topological Sorting

graph-connectivity

Data Structures

Data Structures-Tree Traversals

Data Structures-Stack

Data Structures-Graph

Applications of Stack

Last Updated: 02 February 2026

A Stack is a linear data structure in which the insertion of a new element and removal of an existing element takes place at the same end represented as the top of the sta...read more

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Data Structures-Stack

Real-life Applications of Data Structures and Algorithms (DSA)

Last Updated: 03 October 2025

You may have heard that DSA is primarily used in the field of computer science. Although DSA is most commonly used in the computing field, its application is not restricte...read more

Data Structures

Data Structures-Binary Trees

Data Structures-Tree Traversals

Data Structures-Linked List

Data Structures-Stack

Data Structures-Queue

Data Structures-Graph

Data Structures-Balanced Binary Search Trees

Data Structures-Hash

Data Structures-Array

Data Structures-Misc

Data Structures-B and B+ Trees

Data Structures-Heap

LIFO (Last-In-First-Out) approach in Programming

Last Updated: 11 July 2025

Prerequisites - FIFO (First-In-First-Out) approach in Programming, FIFO vs LIFO approach in ProgrammingLIFO is an abbreviation for last in, first out. It is a method for h...read more

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Data Structures-Stack

FIFO vs LIFO approach in Programming

Last Updated: 11 July 2025

FIFO is an abbreviation for first in, first out. It is a method for handling data structures where the first element is processed first and the newest element is processed...read more

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Data Structures-Stack

Data Structures-Queue

Arithmetic Expression Evaluation

Last Updated: 19 June 2023

The stack organization is very effective in evaluating arithmetic expressions. Expressions are usually represented in what is known as Infix notation, in which each operat...read more

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Inorder Traversal

Preorder Traversal

PostOrder Traversal

Data Structures-Stack

expression-evaluation

Parentheses-Problems