Uber
336 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 242. Valid Anagram | Easy | 56.6% | TopicsHash TableStringSorting |
| 322. Coin Change | Medium | 56.6% | TopicsArrayDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack |
| 347. Top K Frequent Elements | Medium | 56.6% | TopicsArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect |
| 692. Top K Frequent Words | Medium | 56.6% | TopicsArrayHash TableStringTrieSortingHeap (Priority Queue)Bucket SortCounting |
| 981. Time Based Key-Value Store | Medium | 56.6% | TopicsHash TableStringBinary SearchDesign |
| 3387. Maximize Amount After Two Days of Conversions | Medium | 56.6% | TopicsArrayStringDepth-First SearchBreadth-First SearchGraph Theory |
| Maximum Coin Collection | Medium | 56.6% | TopicsArrayDynamic Programming |
| The Maze II | Medium | 56.6% | TopicsArrayDepth-First SearchBreadth-First SearchGraph TheoryHeap (Priority Queue)MatrixShortest PathDijkstra's AlgorithmHeuristic SearchA* Search |
| 1. Two Sum | Easy | 54.6% | TopicsArrayHash Table |
| 13. Roman to Integer | Easy | 54.6% | TopicsHash TableMathString |
| 37. Sudoku Solver | Hard | 54.6% | TopicsArrayHash TableBacktrackingMatrixAlgorithm XDancing Links |
| House Robber III | Medium | 54.6% | TopicsDynamic ProgrammingTreeDepth-First SearchBinary TreeDP on Trees |
| Delete Node in a BST | Medium | 54.6% | TopicsTreeBinary Search TreeBinary Tree |
| Exclusive Time of Functions | Medium | 54.6% | TopicsArrayStack |
| Replace Words | Medium | 54.6% | TopicsArrayHash TableStringTrie |
| Asteroid Collision | Medium | 54.6% | TopicsArrayStackSimulation |
| 2187. Minimum Time to Complete Trips | Medium | 54.6% | TopicsArrayBinary Search |
| 3342. Find Minimum Time to Reach Last Room II | Medium | 54.6% | TopicsArrayGraph TheoryHeap (Priority Queue)MatrixShortest Path |
| String to Integer (atoi) | Medium | 52.4% | TopicsString |
| 10. Regular Expression Matching | Hard | 52.4% | TopicsStringDynamic ProgrammingRecursion |
| 22. Generate Parentheses | Medium | 52.4% | TopicsStringDynamic ProgrammingBacktrackingBracket Sequences |
| 39. Combination Sum | Medium | 52.4% | TopicsArrayBacktracking |
| 78. Subsets | Medium | 52.4% | TopicsArrayBacktrackingBit Manipulation |
| 91. Decode Ways | Medium | 52.4% | TopicsStringDynamic Programming |
| 138. Copy List with Random Pointer | Medium | 52.4% | TopicsHash TableLinked List |
