8 curated coding interview questions directly asked in Compass technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 981 | Time Based Key-Value Store | Medium | Core DSA | Implementation / Reasoning | 49.9% | 100.0% | 3m |
| 332 | Reconstruct Itinerary | Hard | Core DSA | Implementation / Reasoning | 44.6% | 100.0% | 6m |
| 2739 | Total Distance Traveled | Easy | Core DSA | Implementation / Reasoning | 41.4% | 87.5% | all |
| 394 | Decode String | Medium | Strings; Dynamic Programming; Stack / Queue | Hashing / Sliding Window; State Transition; Monotonic Stack / Simulation | 62.6% | 87.5% | all |
| 1023 | Camelcase Matching | Medium | Core DSA | Implementation / Reasoning | 65.4% | 75.0% | all |
| 49 | Group Anagrams | Medium | Strings | Hashing / Sliding Window | 72.6% | 75.0% | all |
| 572 | Subtree of Another Tree | Easy | Trees | DFS / BFS | 51.6% | 75.0% | all |
| 253 | Meeting Rooms II | Medium | Greedy | Greedy | 52.7% | 75.0% | all |