Datadog
13 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 819. Most Common Word | Easy | 100% | TopicsArrayHash TableStringCounting |
| 322. Coin Change | Medium | 92.1% | TopicsArrayDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack |
| 1229. Meeting Scheduler | Medium | 90.5% | TopicsArrayTwo PointersSorting |
| Valid Word Abbreviation | Easy | 86.7% | TopicsTwo PointersString |
| 211. Design Add and Search Words Data Structure | Medium | 86.7% | TopicsStringDepth-First SearchDesignTrie |
| 559. Maximum Depth of N-ary Tree | Easy | 82% | TopicsTreeDepth-First SearchBreadth-First Search |
| 622. Design Circular Queue | Medium | 72.3% | TopicsArrayLinked ListDesignQueue |
| 1452. People Whose List of Favorite Companies Is Not a Subset of Another List | Medium | 72.3% | TopicsArrayHash TableString |
| 198. House Robber | Medium | 72.3% | TopicsArrayDynamic Programming |
| Maximum Vacation Days | Hard | 61.7% | TopicsArrayDynamic ProgrammingMatrix |
| 213. House Robber II | Medium | 61.7% | TopicsArrayDynamic Programming |
| Sliding Window Median | Hard | 53.3% | TopicsArrayHash TableSliding WindowHeap (Priority Queue)Treap |
| 124. Binary Tree Maximum Path Sum | Hard | 53.3% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
