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Linked List

A linked list is a linear data structure where elements, called nodes, are connected using pointers. Each node contains data and a reference to the next node, allowing dynamic memory allocation and efficient insertion or deletion. Common types include singly, doubly and circular linked lists, widely used in data manipulation and memory management.

Top Linked List Articles

Check if a Linked List is Palindrome
Palindrome Linked List | Check if a Linked List is Palindrome O(n) time and O(1) space | Fast & Slow Pointer Method with In-Place Second Half Reversal
Mastering LinkedList in C#
LinkedList in C# | C# LinkedList | what is LinkedList? | LinkedList summary in c# | overview of LinkedList in c#

Popular Topics

System Design Interview
System Design Interview is a technical interview round where candidates design scalable, reliable and efficient software systems. It evaluates understanding of architecture, databases, APIs, scalability, load balancing, caching and real-world problem-solving to assess the ability to build large-scale applications.
Technical Interview
Technical Interview is a structured assessment where employers evaluate a candidate’s technical skills, problem-solving ability and practical knowledge related to a specific role. It typically includes coding challenges, system design questions, debugging tasks and discussions about past projects. The goal of a technical interview is to measure how effectively a candidate can apply their technical expertise to solve real-world problems.
Interview Experience
An interview experience is a detailed account of the interview process for a specific role, covering rounds, questions asked, difficulty level, preparation tips and personal insights to help future candidates understand what to expect and how to prepare effectively.
Software Design
Software design is the process of planning and structuring a software system’s architecture, components, interfaces, and data flow to meet functional and non-functional requirements. It ensures scalability, maintainability and performance. Key approaches include modular design, object-oriented design and architectural patterns like MVC and microservices for efficient, reliable software development.
C#
C# (C-Sharp) is a modern, object-oriented programming language developed by Microsoft for building secure, scalable applications. It runs on the .NET platform and supports features like strong typing, garbage collection, LINQ, async programming and cross-platform development. C# is widely used for web, desktop, game development (Unity), cloud services and enterprise-level software solutions.
Language-Concepts
This tag is used to understand a basic part of the language.
Interview Questions
Interview Questions are structured queries asked by employers to evaluate a candidate’s technical skills, problem-solving ability, experience, communication skills and cultural fit. These questions can include HR, behavioral, technical, coding and situational topics to assess whether the candidate is suitable for the job role and organization.
Coding Interview
Coding Interview is a technical evaluation where candidates solve programming problems to demonstrate their problem-solving skills, data structure and algorithm knowledge and coding proficiency. It typically includes writing optimized code, explaining logic and analyzing time and space complexity to assess real-world programming ability.
DSA
DSA (Data Structures and Algorithms) is a fundamental concept in computer science that focuses on efficiently storing, organizing and processing data. Data structures like arrays, linked lists, stacks and trees manage data, while algorithms provide step-by-step solutions to problems. Mastering DSA is essential for writing optimized, scalable and high-performance code.
Two Pointes
The two-pointer technique is an efficient algorithmic approach that uses two indexes to traverse data structures like arrays or strings. The pointers move toward each other, away from each other or in the same direction to solve problems involving searching, pair finding or window management. It reduces complexity, often turning O(n²) solutions into O(n), making it ideal for optimized problem-solving.
Popular Articles
Rotate an array of n elements to the right by k steps | right rotate the elements of an array | array rotate | rotate array by k step
how to install docker on amazon ec2 instance. docker installation command on linux machine, docker commands, Commonly Used Docker Commands on EC2
Learn how to create a primary key in SQL using syntax and examples. Ensure unique records, improve query performance and build table relationships.
Mastering the Singleton Design Pattern in C#, Singleton Design Pattern in Depth: Structure, Use Cases and Best Practices, in depth design pattern, LLD , low level design
Find the Maximum Subarray Sum | Largest Sum Contiguous Subarray | Kadane’s Algorithm | Maximum Subarray | Given an integer array nums, find the subarray with the largest sum and return its sum | The Efficient Way to Find Maximum Subarray Sum
How to Approach HR Interview Questions , What to Keep in Mind While Answering HR Interview Questions, HR Interview Questions and Answers
You are given two integer arrays arr1 and arr2, sorted in accending order, and two integers m and n, representing the number of elements in arr1 and arr2 respectively. Merge arr1 and arr2 into a single array sorted in accending order.
Amazon Transaction Logs (example question), Amazon Transaction Logs Interview question

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Collab Editor is a powerful, free-to-use online platform that lets you collaborate in real-time. Whether you re working on documents, brainstorming idea, or discussing projects etc