Walmart Labs
135 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3179. Find the N-th Value After K Seconds | Medium | 78.6% | TopicsArrayMathSimulationCombinatoricsPrefix Sum |
| 1486. XOR Operation in an Array | Easy | 78.6% | TopicsMathBit Manipulation |
| Maximum Distance Between Unequal Words in Array I | Easy | 78.6% | TopicsArrayString |
| 347. Top K Frequent Elements | Medium | 75.1% | TopicsArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect |
| Max Stack | Hard | 75.1% | TopicsLinked ListStackDesignDoubly-Linked ListOrdered Set |
| Trapping Rain Water II | Hard | 75.1% | TopicsArrayBreadth-First SearchHeap (Priority Queue)Matrix |
| 75. Sort Colors | Medium | 71.1% | TopicsArrayTwo PointersSortingQuicksortBubble Sort |
| Longest Consecutive Sequence | Medium | 71.1% | TopicsArrayHash TableUnion-Find |
| 322. Coin Change | Medium | 71.1% | TopicsArrayDynamic ProgrammingBreadth-First SearchKnapsack ProblemComplete Knapsack |
| 870. Advantage Shuffle | Medium | 71.1% | TopicsArrayTwo PointersGreedySorting |
| 5. Longest Palindromic Substring | Medium | 66.3% | TopicsTwo PointersStringDynamic ProgrammingManacher |
| 23. Merge k Sorted Lists | Hard | 66.3% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| 53. Maximum Subarray | Medium | 66.3% | TopicsArrayDivide and ConquerDynamic Programming |
| 198. House Robber | Medium | 66.3% | TopicsArrayDynamic Programming |
| 387. First Unique Character in a String | Easy | 66.3% | TopicsHash TableStringQueueCounting |
| LFU Cache | Hard | 66.3% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 295. Find Median from Data Stream | Hard | 66.3% | TopicsTwo PointersDesignSortingHeap (Priority Queue)Data Stream |
| 1329. Sort the Matrix Diagonally | Medium | 66.3% | TopicsArraySortingMatrix |
| 567. Permutation in String | Medium | 66.3% | TopicsHash TableTwo PointersStringSliding Window |
| 4. Median of Two Sorted Arrays | Hard | 60.4% | TopicsArrayBinary SearchDivide and Conquer |
| 14. Longest Common Prefix | Easy | 60.4% | TopicsArrayStringTrie |
| 39. Combination Sum | Medium | 60.4% | TopicsArrayBacktracking |
| 54. Spiral Matrix | Medium | 60.4% | TopicsArrayMatrixSimulation |
| 79. Word Search | Medium | 60.4% | TopicsArrayStringBacktrackingDepth-First SearchMatrix |
| 210. Course Schedule II | Medium | 60.4% | TopicsDepth-First SearchBreadth-First SearchGraph TheoryTopological Sort |
