19 curated coding interview questions directly asked in Verkada technical rounds, sorted by frequency with recency and difficulty diagnostics.
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 986 | Interval List Intersections | Medium | Arrays; Linked List | Sorting / Prefix / Scan; Two Pointers | 73.0% | 100.0% | 3m |
| 1235 | Maximum Profit in Job Scheduling | Hard | Arrays | Sorting / Prefix / Scan | 54.7% | 87.5% | 6m |
| 1146 | Snapshot Array | Medium | Arrays | Sorting / Prefix / Scan | 36.8% | 87.5% | all |
| 1233 | Remove Sub-Folders from the Filesystem | Medium | Core DSA | Implementation / Reasoning | 78.6% | 87.5% | all |
| 146 | LRU Cache | Medium | Design | Data Structure Design | 47.4% | 87.5% | all |
| 981 | Time Based Key-Value Store | Medium | Core DSA | Implementation / Reasoning | 49.9% | 75.0% | 3m |
| 12 | Integer to Roman | Medium | Strings | Hashing / Sliding Window | 71.0% | 75.0% | 6m |
| 435 | Non-overlapping Intervals | Medium | Arrays; Greedy | Sorting / Prefix / Scan; Greedy | 57.1% | 75.0% | 6m |
| 227 | Basic Calculator II | Medium | Stack / Queue | Monotonic Stack / Simulation | 46.9% | 75.0% | 6m |
| 772 | Basic Calculator III | Hard | Stack / Queue | Monotonic Stack / Simulation | 53.3% | 75.0% | all |
| 867 | Transpose Matrix | Easy | Arrays | Sorting / Prefix / Scan | 76.4% | 75.0% | all |
| 191 | Number of 1 Bits | Easy | Core DSA | Implementation / Reasoning | 76.8% | 75.0% | all |
| 88 | Merge Sorted Array | Easy | Arrays | Sorting / Prefix / Scan | 54.9% | 75.0% | all |
| 36 | Valid Sudoku | Medium | Strings; Backtracking | Hashing / Sliding Window; Backtracking | 64.5% | 75.0% | all |
| 843 | Guess the Word | Hard | Strings | Hashing / Sliding Window | 36.7% | 62.5% | all |
| 543 | Diameter of Binary Tree | Easy | Trees | DFS / BFS | 65.5% | 62.5% | all |
| 460 | LFU Cache | Hard | Design | Data Structure Design | 49.2% | 62.5% | all |
| 56 | Merge Intervals | Medium | Arrays | Sorting / Prefix / Scan | 51.8% | 62.5% | all |
| 23 | Merge k Sorted Lists | Hard | Arrays; Linked List; Heap | Sorting / Prefix / Scan; Two Pointers; Priority Queue | 59.6% | 62.5% | all |