Set 42 - Intervals LC #253
Use Practice Loop if you need a reset.
Problems
| Problem | Difficulty | Pattern | Video |
|---|---|---|---|
| LC 253. Meeting Rooms II | Medium | Intervals | Video |
| Redo 1 backtracking + 1 intervals problem fast | |||
| 1 mini mock: explain a transformer at high level (5–10 min) |
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 253: min-heap of end times.
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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