Uber
336 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2. Add Two Numbers | Medium | 21.7% | TopicsLinked ListMathRecursion |
| 3. Longest Substring Without Repeating Characters | Medium | 21.7% | TopicsHash TableStringSliding Window |
| 11. Container With Most Water | Medium | 21.7% | TopicsArrayTwo PointersGreedy |
| 20. Valid Parentheses | Easy | 21.7% | TopicsStringStackBracket Sequences |
| 53. Maximum Subarray | Medium | 21.7% | TopicsArrayDivide and ConquerDynamic Programming |
| Minimum Path Sum | Medium | 21.7% | TopicsArrayDynamic ProgrammingMatrix |
| 215. Kth Largest Element in an Array | Medium | 21.7% | TopicsArrayDivide and ConquerSortingHeap (Priority Queue)Quickselect |
| The Skyline Problem | Hard | 21.7% | TopicsArrayDivide and ConquerBinary Indexed TreeSegment TreeSweep LineSortingHeap (Priority Queue)Ordered Set |
| 286. Walls and Gates | Medium | 21.7% | TopicsArrayBreadth-First SearchMatrix |
| 329. Longest Increasing Path in a Matrix | Hard | 21.7% | TopicsArrayDynamic ProgrammingDepth-First SearchBreadth-First SearchGraph TheoryTopological SortMemoizationMatrixDirected Acyclic Graph |
| 496. Next Greater Element I | Easy | 21.7% | TopicsArrayHash TableStackMonotonic Stack |
| 560. Subarray Sum Equals K | Medium | 21.7% | TopicsArrayHash TablePrefix Sum |
| Find K Closest Elements | Medium | 21.7% | TopicsArrayTwo PointersBinary SearchSliding WindowSortingHeap (Priority Queue) |
| Candy Crush | Medium | 21.7% | TopicsArrayTwo PointersMatrixSimulation |
| 785. Is Graph Bipartite? | Medium | 21.7% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryGraph ColoringBipartite Graph |
| 983. Minimum Cost For Tickets | Medium | 21.7% | TopicsArrayDynamic Programming |
| 1011. Capacity To Ship Packages Within D Days | Medium | 21.7% | TopicsArrayBinary Search |
| Amount of New Area Painted Each Day | Hard | 21.7% | TopicsArraySegment TreeOrdered Set |
| 2251. Number of Flowers in Full Bloom | Hard | 21.7% | TopicsArrayHash TableBinary SearchSortingPrefix SumOrdered Set |
| 3043. Find the Length of the Longest Common Prefix | Medium | 21.7% | TopicsArrayHash TableStringTrie |
| 1472. Design Browser History | Medium | 21.7% | TopicsArrayLinked ListStackDesignDoubly-Linked ListData Stream |
| Word Ladder II | Hard | 21.7% | TopicsHash TableStringBacktrackingBreadth-First SearchBidirectional Search |
| Meeting Rooms | Easy | 21.7% | TopicsArraySortingQuicksort |
| 895. Maximum Frequency Stack | Hard | 21.7% | TopicsHash TableStackDesignOrdered Set |
| Count Different Palindromic Subsequences | Hard | 21.7% | TopicsStringDynamic Programming |
