7 curated coding interview questions directly asked in Graviton technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 542 | 01 Matrix | Medium | Arrays | Sorting / Prefix / Scan | 53.9% | 100.0% | all |
| 841 | Keys and Rooms | Medium | Core DSA | Implementation / Reasoning | 75.8% | 87.5% | all |
| 207 | Course Schedule | Medium | Graphs | BFS / DFS / Topological Sort | 51.4% | 87.5% | all |
| 968 | Binary Tree Cameras | Hard | Trees | DFS / BFS | 47.9% | 87.5% | all |
| 179 | Largest Number | Medium | Core DSA | Implementation / Reasoning | 43.1% | 87.5% | all |
| 91 | Decode Ways | Medium | Dynamic Programming | State Transition | 38.0% | 87.5% | all |
| 2603 | Collect Coins in a Tree | Hard | Trees; Dynamic Programming | DFS / BFS; State Transition | 40.1% | 87.5% | all |