Set 13 - Graphs BFS/DFS
Use Practice Loop if you need a reset.
Problems
| Problem | Difficulty | Pattern | Video |
|---|---|---|---|
| LC 994. Rotting Oranges | Medium | Multi-source BFS | Video |
| LC 286. Walls and Gates | Medium | Multi-source BFS | Video |
Deliverables
- Write a 1-line invariant for each problem.
- Note 1 edge case or pitfall per problem.
- Record time-to-first-correct solution.
Notes
- LC 994: multi-source BFS; minutes = layers.
- LC 286: multi-source BFS from gates to fill distances.
Review
- Time spent + where you got stuck?
- Biggest mistake or missed edge case?
- One concrete improvement for next time.
Comments
Share your approach or ask questions
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