4 curated coding interview questions directly asked in Otterai technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 407 | Trapping Rain Water II | Hard | Core DSA | Two Pointers | 64.1% | 100.0% | all |
| 139 | Word Break | Medium | Strings; Dynamic Programming | Hashing / Sliding Window; State Transition | 49.5% | 87.5% | all |
| 403 | Frog Jump | Hard | Greedy | Greedy | 47.3% | 75.0% | all |
| 2625 | Flatten Deeply Nested Array | Medium | Arrays | Sorting / Prefix / Scan | 65.9% | 75.0% | all |