Uber
336 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3341. Find Minimum Time to Reach Last Room I | Medium | 68.3% | TopicsArrayGraph TheoryHeap (Priority Queue)MatrixShortest Path |
| 54. Spiral Matrix | Medium | 65.9% | TopicsArrayMatrixSimulation |
| 210. Course Schedule II | Medium | 65.9% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort |
| 1475. Final Prices With a Special Discount in a Shop | Easy | 65.9% | TopicsArrayStackMonotonic Stack |
| 1101. The Earliest Moment When Everyone Become Friends | Medium | 65.9% | TopicsArrayUnion-FindSorting |
| Design In-Memory File System | Hard | 64.6% | TopicsHash TableStringDesignTrieSorting |
| 17. Letter Combinations of a Phone Number | Medium | 63.2% | TopicsHash TableStringBacktracking |
| 36. Valid Sudoku | Medium | 63.2% | TopicsArrayHash TableMatrix |
| Text Justification | Hard | 63.2% | TopicsArrayStringSimulation |
| 207. Course Schedule | Medium | 63.2% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological SortDirected Acyclic Graph |
| 2258. Escape the Spreading Fire | Hard | 63.2% | TopicsArrayBinary SearchBreadth-First SearchMatrix |
| 1861. Rotating the Box | Medium | 63.2% | TopicsArrayTwo PointersMatrix |
| 49. Group Anagrams | Medium | 61.8% | TopicsArrayHash TableStringSorting |
| 139. Word Break | Medium | 61.8% | TopicsArrayHash TableStringDynamic ProgrammingTrieMemoizationBrute-Force Search |
| Basic Calculator | Hard | 61.8% | TopicsMathStringStackRecursion |
| Cherry Pickup | Hard | 61.8% | TopicsArrayDynamic ProgrammingMatrix |
| 297. Serialize and Deserialize Binary Tree | Hard | 60.2% | TopicsStringTreeDepth-First SearchBreadth-First SearchDesignBinary Tree |
| Meeting Rooms II | Medium | 58.5% | TopicsArrayTwo PointersGreedySortingHeap (Priority Queue)Prefix Sum |
| Shuffle an Array | Medium | 58.5% | TopicsArrayMathDesignRandomized |
| The Maze | Medium | 58.5% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
| 934. Shortest Bridge | Medium | 58.5% | TopicsArrayDepth-First SearchBreadth-First SearchMatrix |
| 2571. Minimum Operations to Reduce an Integer to 0 | Medium | 58.5% | TopicsDynamic ProgrammingGreedyBit Manipulation |
| 23. Merge k Sorted Lists | Hard | 56.6% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| 33. Search in Rotated Sorted Array | Medium | 56.6% | TopicsArrayBinary Search |
| 76. Minimum Window Substring | Hard | 56.6% | TopicsHash TableStringSliding Window |
