Fast & Slow Pointers
Total Problems: 9
Completed: 8 (89%)
📚 Pattern Master Notes
Fast & Slow Pointers - 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 | 3 | 3 | 0 | 100% |
| 🟡 Medium | 5 | 5 | 0 | 100% |
| 🔴 Hard | 1 | 0 | 1 | 0% |
Problems
| # | Problem | Difficulty | Status | Confidence |
|---|---|---|---|---|
| 71 | Linked List Cycle | E | ✅ | HGH |
| 72 | Happy Number | E | ✅ | HGH |
| 73 | Middle of the Linked List | E | ✅ | HGH |
| 74 | Remove Nth Node From End of List | M | ✅ | HGH |
| 75 | Linked List Cycle II | M | ✅ | HGH |
| 76 | Reorder List | M | ✅ | LOW |
| 77 | Palindrome Linked List | M | ✅ | HGH |
| 78 | Find the Duplicate Number | M | ✅ | MED |
| 79 | Circular Array Loop | H | ⬜ | – |
Last Updated: 2026-02-13 19:40:00
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