What Is DFS (Depth-First Search): Types, Complexity & More | Simplilearn

Tech Rewired on Instagram: "Depth first search vs breadth first search, graph traversal algorithms in DSA, DFS vs BFS comparison, time complexity intuition, and exam-focused problem solving concepts. DFS vs BFS explained to help you choose the right traversal strategy in graphs and trees, avoid common mistakes in DSA exams, and improve algorithmic thinking. Save this for graph revision. Which traversal do you prefer for problem solving? Follow @tech.rewired for DSA, AI, and tech content. #dsa #g

Perform depth-first search on each of the following graphs; whenever there's a choice of vertices,pick the one that is alphabetically first. Classify each edge as a tree edge, forward edge, backedge, or cross edge, and give the pre and post number of each vertex.