Line Sweep
Total Problems: 6
Completed: 6 (100%)
📚 Pattern Master Notes
This comprehensive guide includes: - 🧠 Pattern recognition & problem-solving mindset - 🎯 Sub-patterns and variations - 🏆 Golden templates and code examples - ⚠️ Common pitfalls and debugging tips - 📊 Decision trees and quick reference tables
💡 Tip: Read the notes before starting problems to build intuition!
Progress by Difficulty
| Difficulty | Total | Completed | Remaining | Percentage |
|---|---|---|---|---|
| 🟢 Easy | 0 | 0 | 0 | 0% |
| 🟡 Medium | 4 | 4 | 0 | 100% |
| 🔴 Hard | 2 | 2 | 0 | 100% |
Problems
| # | Problem | Difficulty | Status | Confidence |
|---|---|---|---|---|
| 307 | Meeting Rooms II | M | ✅ | MED |
| 308 | My Calendar I | M | ✅ | HGH |
| 309 | My Calendar II | M | ✅ | MED |
| 310 | Car Pooling | M | ✅ | HGH |
| 311 | The Skyline Problem | H | ✅ | LOW |
| 312 | Count Days in a Range | H | ✅ | HGH |
Last Updated: 2026-02-13 19:40:00
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