Graphs
📊 Graphs
Section titled “📊 Graphs”A comprehensive, beginner-to-advanced guide covering everything you need to master Graph DSA for technical interviews.
Learning Path
Section titled “Learning Path”Follow this path from beginner to advanced:
| Step | Topic | What You’ll Learn |
|---|---|---|
| 1️⃣ | Introduction | What are graphs? Terminologies, types, properties |
| 2️⃣ | Graph Representations | Adjacency matrix, adjacency list, edge list |
| 3️⃣ | Time & Space Complexity | Algorithm complexity, representation trade-offs |
| 4️⃣ | Traversals (BFS & DFS) | Breadth-First Search and Depth-First Search |
| 5️⃣ | Important Patterns | 8 essential patterns with templates |
| 6️⃣ | Key Algorithms | Dijkstra, Bellman-Ford, Kruskal, Prim, Floyd-Warshall |
| 7️⃣ | Problem-Solving Approach | Decision framework, how to identify graph problems |
| 8️⃣ | Code Examples | Full JavaScript implementations |
| 9️⃣ | Interview Questions | Categorized Easy/Medium/Hard |
| 🔟 | Tips & Mistakes | Best practices, optimization, edge cases |
| 1️⃣1️⃣ | Real-World Applications | Graphs in networking, maps, social media, games |
Quick Reference
Section titled “Quick Reference”| If You Need This | Go Here |
|---|---|
| Understand the basics | Introduction → |
| Pick a BFS/DFS template | Code Examples → |
| Solve “shortest path” problems | Patterns → |
| Review for an interview | Interview Questions → |
| Last-minute tips | Tips & Mistakes → |
Related Data Structures
Section titled “Related Data Structures”- Trees — A special case of graphs (acyclic, connected)
- Stack & Queue — Fundamental data structures for BFS/DFS
- Recursion & Backtracking — Recursive DFS patterns
- Hashing — Used for visited sets and graph building