Coinbase
11 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2043. Simple Bank System | Medium | 100% | TopicsArrayHash TableDesignSimulation |
| 981. Time Based Key-Value Store | Medium | 90.7% | TopicsHash TableStringBinary SearchDesign |
| Zigzag Iterator | Medium | 89.4% | TopicsArrayDesignQueueIterator |
| Design In-Memory File System | Hard | 80.7% | TopicsHash TableStringDesignTrieSorting |
| 2325. Decode the Message | Easy | 80.7% | TopicsHash TableString |
| Random Pick with Weight | Medium | 72.7% | TopicsArrayMathBinary SearchPrefix SumRandomized |
| 1166. Design File System | Medium | 51% | TopicsHash TableStringDesignTrie |
| 121. Best Time to Buy and Sell Stock | Easy | 51% | TopicsArrayDynamic Programming |
| 622. Design Circular Queue | Medium | 51% | TopicsArrayLinked ListDesignQueue |
| 210. Course Schedule II | Medium | 51% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort |
| 2232. Minimize Result by Adding Parentheses to Expression | Medium | 51% | TopicsStringEnumeration |
