Practice the most frequently asked questions at Meta
| Question | Difficulty | Link | ||
|---|---|---|---|---|
| Two Sum | DSA | Easy | ||
| Merge K Sorted Lists | DSA | Hard | ||
| Trapping Rain Water | DSA | Hard | ||
| Design Parking Lot | LLD | Medium | ||
| Design URL Shortener | HLD | Medium | ||
| Design Twitter | HLD | Hard | ||
| Check for Balanced Parentheses | DSA | Easy | ||
| Longest Substring Without Repeating Characters | DSA | Medium | ||
| Design WhatsApp | HLD | Hard | ||
| Singleton Pattern | LLD | Easy |