DP - 2D/Grids
Total Problems: 8
Completed: 8 (100%)
📚 Pattern Master Notes
DP - 2D/Grids - Complete Guide
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 | 2 | 2 | 0 | 100% |
| 🟡 Medium | 5 | 5 | 0 | 100% |
| 🔴 Hard | 1 | 1 | 0 | 100% |
Problems
| # | Problem | Difficulty | Status | Confidence |
|---|---|---|---|---|
| 217 | Unique Paths | E | ✅ | HGH |
| 218 | Minimum Path Sum | E | ✅ | HGH |
| 219 | Unique Paths II | M | ✅ | HGH |
| 220 | Triangle | M | ✅ | HGH |
| 221 | Dungeon Game | M | ✅ | MED |
| 222 | Maximal Square | M | ✅ | MED |
| 223 | Minimum Falling Path Sum | M | ✅ | HGH |
| 224 | Cherry Pickup | H | ✅ | LOW |
Last Updated: 2026-02-13 19:40:00
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