Airbnb
62 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Text Justification | Hard | 100% | TopicsArrayStringSimulation |
| 1235. Maximum Profit in Job Scheduling | Hard | 92.5% | TopicsArrayBinary SearchDynamic ProgrammingSorting |
| Flatten 2D Vector | Medium | 84.4% | TopicsArrayTwo PointersDesignIterator |
| 1298. Maximum Candies You Can Get from Boxes | Hard | 84.4% | TopicsArrayBreadth-First SearchGraph Theory |
| 1257. Smallest Common Region | Medium | 83.3% | TopicsArrayHash TableStringTreeDepth-First SearchBreadth-First SearchBinary LiftingLowest Common Ancestor |
| Design Excel Sum Formula | Hard | 80.8% | TopicsArrayHash TableStringGraph TheoryDesignTopological SortMatrix |
| Intersection of Two Linked Lists | Easy | 74.8% | TopicsHash TableLinked ListTwo Pointers |
| 755. Pour Water | Medium | 74.8% | TopicsArraySimulation |
| 42. Trapping Rain Water | Hard | 73% | TopicsArrayTwo PointersDynamic ProgrammingStackMonotonic Stack |
| 773. Sliding Puzzle | Hard | 73% | TopicsArrayDynamic ProgrammingBacktrackingBreadth-First SearchMemoizationMatrixHeuristic SearchBidirectional SearchA* Search |
| 219. Contains Duplicate II | Easy | 71% | TopicsArrayHash TableSliding Window |
| Alien Dictionary | Hard | 71% | TopicsArrayStringDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| Palindrome Pairs | Hard | 71% | TopicsArrayHash TableStringTrieHash Function |
| 2043. Simple Bank System | Medium | 68.8% | TopicsArrayHash TableDesignSimulation |
| 3076. Shortest Uncommon Substring in an Array | Medium | 68.8% | TopicsArrayHash TableStringTrie |
| 1557. Minimum Number of Vertices to Reach All Nodes | Medium | 68.8% | TopicsGraph TheoryDirected Acyclic Graph |
| 751. IP to CIDR | Medium | 68.8% | TopicsStringBit Manipulation |
| 759. Employee Free Time | Hard | 68.8% | TopicsArraySweep LineSortingHeap (Priority Queue) |
| 1. Two Sum | Easy | 66.3% | TopicsArrayHash Table |
| 2. Add Two Numbers | Medium | 66.3% | TopicsLinked ListMathRecursion |
| 10. Regular Expression Matching | Hard | 66.3% | TopicsStringDynamic ProgrammingRecursion |
| 20. Valid Parentheses | Easy | 66.3% | TopicsStringStackBracket Sequences |
| 23. Merge k Sorted Lists | Hard | 66.3% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| Minimize Rounding Error to Meet Target | Medium | 66.3% | TopicsArrayMathStringGreedySorting |
| 1017. Convert to Base -2 | Medium | 66.3% | TopicsMath |
