9 curated coding interview questions directly asked in Rivian technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 227 | Basic Calculator II | Medium | Stack / Queue | Monotonic Stack / Simulation | 46.9% | 100.0% | 6m |
| 146 | LRU Cache | Medium | Design | Data Structure Design | 47.4% | 100.0% | all |
| 200 | Number of Islands | Medium | Graphs | BFS / DFS / Topological Sort | 64.4% | 87.5% | all |
| 2625 | Flatten Deeply Nested Array | Medium | Arrays | Sorting / Prefix / Scan | 65.9% | 87.5% | all |
| 443 | String Compression | Medium | Strings | Hashing / Sliding Window | 60.0% | 87.5% | all |
| 796 | Rotate String | Easy | Arrays; Strings | Sorting / Prefix / Scan; Hashing / Sliding Window | 66.6% | 87.5% | all |
| 23 | Merge k Sorted Lists | Hard | Arrays; Linked List; Heap | Sorting / Prefix / Scan; Two Pointers; Priority Queue | 59.6% | 87.5% | all |
| 807 | Max Increase to Keep City Skyline | Medium | Core DSA | Implementation / Reasoning | 86.4% | 87.5% | all |
| 697 | Degree of an Array | Easy | Arrays | Sorting / Prefix / Scan | 58.4% | 87.5% | all |