Dijkstra's and A* Algorithms Explained | A-Level Computer Science Knowledge Sprint

Need a concise, exam-focused guide on Dijkstra’s and A algorithms* for A-Level & GCSE Computer Science? This video is a knowledge sprint designed to help you quickly understand how these powerful pathfinding algorithms work and how to use them in exams. In this video, as an experienced A-Level computer science teacher, I’ll cover: How Dijkstra’s Algorithm works for finding the shortest path How A Algorithm improves upon Dijkstra’s* using heuristics Step-by-step examples of both algorithms in action Key differences between Dijkstra’s and A* Common exam questions and how to approach them This fast-paced, exam-focused guide is perfect for last-minute revision and mastering these crucial algorithms for your exam. Chapters: 00:00 Introduction to Pathfinding Algorithms 00:58 Dijkstra’s Algorithm Explained 01:12 Application 01:48 Algorithm Walk-through 06:38 Intro and Heuristics 07:23 A* Algorithm 👉 If you found this helpful, check out my full A-Level and GCSE Computer Science Algorithms revision playlist: https://www.youtube.com/playlist?list=PL5tqcCZz1-Z4jVz9_wmM9DZzKe2wASSXT This playlist includes more quick, focused tutorials on algorithms and complexity to help you prepare for your exams! Resources for A-Level and GCSE Students: More A-Level Computer Science Videos: http://www.youtube.com/@robincomputerscience With my classroom-tested approach using Robin Computer Science, you’ll feel more prepared for your A-Level exams. Drop a comment below if you’d like more help with this topic or other A-Level Computer Science concepts!