DSA Doctor
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Cloudflare DSA Interview Questions
11 curated coding interview questions directly asked in Cloudflare technical rounds, sorted by frequency with recency and difficulty diagnostics.
11
Total Questions
1 (9%)
Easy Problems
8 (73%)
Medium Problems
2 (18%)
Hard Problems
🔥 Most Tested Topics:
Design (5)Arrays (3)Stack / Queue (2)Graphs (2)Core DSA (1)
📂 Sourced Datasets:
Last 6 monthsAll questionsOlder than 6 months
| ID | Problem | Difficulty | Topic | Pattern | Acceptance | Frequency | Recency |
|---|---|---|---|---|---|---|---|
| 622 | Design Circular Queue | Medium | Stack / Queue; Design | Monotonic Stack / Simulation; Data Structure Design | 54.7% | 100.0% | 6m |
| 1381 | Design a Stack With Increment Operation | Medium | Stack / Queue; Design | Monotonic Stack / Simulation; Data Structure Design | 79.9% | 87.5% | 6m |
| 15 | 3Sum | Medium | Arrays | Sorting / Prefix / Scan | 39.1% | 87.5% | all |
| 780 | Reaching Points | Hard | Core DSA | Implementation / Reasoning | 34.4% | 87.5% | all |
| 23 | Merge k Sorted Lists | Hard | Arrays; Linked List; Heap | Sorting / Prefix / Scan; Two Pointers; Priority Queue | 59.6% | 75.0% | 6m |
| 207 | Course Schedule | Medium | Graphs | BFS / DFS / Topological Sort | 51.4% | 75.0% | 6m |
| 18 | 4Sum | Medium | Arrays | Sorting / Prefix / Scan | 40.6% | 75.0% | all |
| 146 | LRU Cache | Medium | Design | Data Structure Design | 47.4% | 75.0% | all |
| 362 | Design Hit Counter | Medium | Design | Data Structure Design | 69.7% | 62.5% | all |
| 200 | Number of Islands | Medium | Graphs | BFS / DFS / Topological Sort | 64.4% | 62.5% | all |
| 359 | Logger Rate Limiter | Easy | Design | Data Structure Design | 76.8% | 62.5% | all |