Cloudflare
11 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 622. Design Circular Queue | Medium | 100% | TopicsArrayLinked ListDesignQueue |
| 780. Reaching Points | Hard | 90.3% | TopicsMathEuclidean AlgorithmGreatest Common Divisor |
| 1381. Design a Stack With Increment Operation | Medium | 85.5% | TopicsArrayStackDesign |
| 3Sum | Medium | 79.3% | TopicsArrayTwo PointersSorting |
| 4Sum | Medium | 73.7% | TopicsArrayTwo PointersSorting |
| 23. Merge k Sorted Lists | Hard | 73.7% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| 146. LRU Cache | Medium | 70.1% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| Design Hit Counter | Medium | 65.7% | TopicsArrayBinary SearchDesignQueueData Stream |
| 200. Number of Islands | Medium | 65.7% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| Logger Rate Limiter | Easy | 65.7% | TopicsHash TableDesignData Stream |
| 207. Course Schedule | Medium | 60.1% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
