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In this video, Varun sir has discussed about Topological Sorting—a key concept in graph theory, especially useful for tasks like scheduling, build systems, and course prerequisite planning. We'll break down what Topological Sorting is, why it's important, and how to implement it using Depth First Search (DFS). This video will guide you with clear explanations and step-by-step examples to make the concept easy to understand. -------------------------------------------------------------------------------------------------------------------------------------- Timestamps: 00:02 – Introduction to Topological Sorting 02:14 – Directed Acyclic Graph (DAG) Requirement 03:32 – Valid vs Invalid Topological Orders 05:44 – DFS-based Topological Sorting Algorithm 10:43 – Time and Space Complexity Analysis ------------------------------------------------------------------------------------------------------------------------------------- 🚀 MASTER COMPUTER SCIENCE | INTERVIEWS | EXAMS Gate Smashers — Learn Computer Science through free lectures, structured playlists, interview resources, important questions, notes & exam preparation. 💻📚 🌐 FREE CS RESOURCES & INTERVIEW PREPARATION : https://gatesmashers.com ━━━━━━━━━━━━━━━━━━━━━━ 📚 SUBJECT-WISE COMPUTER SCIENCE PLAYLISTS ► Placement Interview Questions: https://youtube.com/playlist?list=PLUDPUBNI7KL4 ► System Design: https://youtube.com/playlist?list=PLxCzCOWd7aiHanm1nA5_fMwbx5dCNFkDX ► Deep Learning: https://youtube.com/playlist?list=PLxCzCOWd7aiHQ9Qyo70JCTkTxczPnVC6s ► Machine Learning: https://youtube.com/playlist?list=PLxCzCOWd7aiEXg5BV10k9THtjnS48yI-T&si=qPGIoiBrziIFs6CJ ► Design and Analysis of Algorithms (DAA): https://youtube.com/playlist?list=PLxCzCOWd7aiHcmS4i14bI0VrMbZTUvlTa ► Software Engineering: https://youtube.com/playlist?list=PLxCzCOWd7aiEed7SKZBnC6ypFDWYLRvB2 ► Database Management System (DBMS): https://youtube.com/playlist?list=PLxCzCOWd7aiFAN6I8CuViBuCdJgiOkT2Y ► Cloud Computing: https://youtube.com/playlist?list=PLxCzCOWd7aiHRHVUtR-O52MsrdUSrzuy4 ► Theory of Computation (TOC): https://youtube.com/playlist?list=PLxCzCOWd7aiFM9Lj5G9G_76adtyb4ef7i ► Artificial Intelligence: https://youtube.com/playlist?list=PLxCzCOWd7aiHGhOHV-nwb0HR5US5GFKFI ► Computer Networks (CN): https://youtube.com/playlist?list=PLxCzCOWd7aiGFBD2-2joCpWOLUrDLvVV_ ► Operating System (OS): https://youtube.com/playlist?list=PLxCzCOWd7aiGz9donHRrE9I3Mwn6XdP8p ► Structured Query Language (SQL): https://youtube.com/playlist?list=PLxCzCOWd7aiHqU4HKL7-SITyuSIcD93id ► Discrete Mathematics: https://youtube.com/playlist?list=PLxCzCOWd7aiH2wwES9vPWsEL6ipTaUSl3 ► Compiler Design: https://youtube.com/playlist?list=PLxCzCOWd7aiEKtKSIHYusizkESC42diyc ► Number System: https://youtube.com/playlist?list=PLxCzCOWd7aiFOet6KEEqDff1aXEGLdUzn ► Programming in C: https://youtube.com/playlist?list=PLxCzCOWd7aiGmiGl_DOuRMJYG8tOVuapB ► Data Structures: https://youtube.com/playlist?list=PLxCzCOWd7aiEwaANNt3OqJPVIxwp2ebiT ► Computer Architecture: https://youtube.com/playlist?list=PLxCzCOWd7aiHMonh3G6QNKq53C6oNXGrX ► Graph Theory: https://youtube.com/playlist?list=PLxCzCOWd7aiG0M5FqjyoqB20Edk0tyzVt ► Digital Logic: https://youtube.com/playlist?list=PLxCzCOWd7aiGmXg4NoX6R31AsC5LeCPHe ━━━━━━━━━━━━━━━━━━━━━━ 🌐 CONNECT WITH GATE SMASHERS ► Website: https://gatesmashers.com ► YouTube: https://youtube.com/gatesmashers ► Instagram: https://instagram.com/gate.smashers ► Telegram: https://t.me/gatesmashersofficial ► Facebook: https://facebook.com/gatesmashers ► Threads: https://threads.net/@gate.smashers GsetGo ► YouTube: https://youtube.com/@GSetgoofficial ► Instagram: https://instagram.com/gsetgo_ VarunNainaShots ► YouTube: https://youtube.com/@varunainashots ► Instagram: https://instagram.com/varunainashots ━━━━━━━━━━━━━━━━━━━━━━ Subscribe to Gate Smashers and start your Computer Science learning journey today! 🚀💻