#CS#Algorithm#Graph#Search
BFS vs DFS: Graph Traversal
Two ways to escape a maze. Spread out wide (BFS) or dig deep (DFS)? Who finds the shortest path?
April 24, 2025
Codemapo
Two ways to escape a maze. Spread out wide (BFS) or dig deep (DFS)? Who finds the shortest path?
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| Feature | BFS | DFS |
|---|---|---|
| Full Name | Breadth-First Search | Depth-First Search |
| Data Structure | Queue (FIFO) | Stack (LIFO) or Recursion |
| Strategy | Level by Level (Layered) | Branch by Branch (Deep) |
| Shortest Path? | ✅ Guaranteed (Unweighted) | ❌ Not guaranteed |
| Memory Usage | High (if graph is wide) | Low (proportional to depth) |
| Key Use Case | Shortest Path, Proximity | Maze, Cycles, Components |
| Metaphor | Radar Scan, Ripples | Maze Runner, Ant Tunneling |
Both are essential tools in a developer's algorithmic toolbox.