Airbnb
62 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 1166. Design File System | Medium | 66.3% | TopicsHash TableStringDesignTrie |
| Convert Sorted Array to Binary Search Tree | Easy | 66.3% | TopicsArrayDivide and ConquerTreeBinary Search TreeBinary Tree |
| 136. Single Number | Easy | 66.3% | TopicsArrayBit Manipulation |
| Reverse Bits | Easy | 66.3% | TopicsDivide and ConquerBit Manipulation |
| 198. House Robber | Medium | 66.3% | TopicsArrayDynamic Programming |
| 202. Happy Number | Easy | 66.3% | TopicsHash TableMathTwo PointersFloyd's Cycle Finding Algorithm |
| 212. Word Search II | Hard | 66.3% | TopicsArrayStringBacktrackingTrieMatrix |
| 217. Contains Duplicate | Easy | 66.3% | TopicsArrayHash TableSorting |
| Contains Duplicate III | Hard | 66.3% | TopicsArraySliding WindowSortingBucket SortOrdered Set |
| Maximal Square | Medium | 66.3% | TopicsArrayDynamic ProgrammingMatrix |
| Basic Calculator II | Medium | 66.3% | TopicsMathStringStack |
| Number of Ways to Build House of Cards | Medium | 66.3% | TopicsMathDynamic Programming |
| Mini Parser | Medium | 66.3% | TopicsStringStackDepth-First Search |
| 1284. Minimum Number of Flips to Convert Binary Matrix to Zero Matrix | Hard | 66.3% | TopicsArrayHash TableBit ManipulationBreadth-First SearchMatrix |
| Add Strings | Easy | 66.3% | TopicsMathStringSimulation |
| 1041. Robot Bounded In Circle | Medium | 66.3% | TopicsMathStringSimulation |
| Strings Differ by One Character | Medium | 66.3% | TopicsHash TableStringRolling HashHash Function |
| 756. Pyramid Transition Matrix | Medium | 66.3% | TopicsHash TableStringBacktrackingBit Manipulation |
| 787. Cheapest Flights Within K Stops | Medium | 66.3% | TopicsDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)Shortest Path |
| Shopping Offers | Medium | 66.3% | TopicsArrayDynamic ProgrammingBacktrackingBit ManipulationMemoizationBitmaskKnapsack ProblemComplete Knapsack |
| 39. Combination Sum | Medium | 60.3% | TopicsArrayBacktracking |
| 713. Subarray Product Less Than K | Medium | 56.5% | TopicsArrayBinary SearchSliding WindowPrefix Sum |
| Accounts Merge | Medium | 56.5% | TopicsArrayHash TableStringDepth-First SearchBreadth-First SearchUnion-FindSorting |
| Design Tic-Tac-Toe | Medium | 45.9% | TopicsArrayHash TableDesignMatrixSimulation |
| 1125. Smallest Sufficient Team | Hard | 45.9% | TopicsArrayDynamic ProgrammingBit ManipulationBitmask |
