Rippling
30 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 4. Median of Two Sorted Arrays | Hard | 100% | TopicsArrayBinary SearchDivide and Conquer |
| 3484. Design Spreadsheet | Medium | 76.8% | TopicsArrayHash TableStringDesignMatrix |
| 23. Merge k Sorted Lists | Hard | 74.8% | TopicsLinked ListDivide and ConquerHeap (Priority Queue)Merge SortTournament Sort |
| Design Excel Sum Formula | Hard | 66.9% | TopicsArrayHash TableStringGraph TheoryDesignTopological SortMatrix |
| 21. Merge Two Sorted Lists | Easy | 63.4% | TopicsLinked ListRecursion |
| Evaluate Division | Medium | 59% | TopicsArrayStringDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryShortest PathBellman–Ford AlgorithmFloyd–Warshall Algorithm |
| 1944. Number of Visible People in a Queue | Hard | 59% | TopicsArrayStackMonotonic Stack |
| 3387. Maximize Amount After Two Days of Conversions | Medium | 59% | TopicsArrayStringDepth-First SearchBreadth-First SearchGraph Theory |
| 3067. Count Pairs of Connectable Servers in a Weighted Tree Network | Medium | 59% | TopicsArrayTreeDepth-First Search |
| 2939. Maximum Xor Product | Medium | 53.5% | TopicsMathGreedyBit Manipulation |
| 347. Top K Frequent Elements | Medium | 53.5% | TopicsArrayHash TableDivide and ConquerSortingHeap (Priority Queue)Bucket SortCountingQuickselect |
| 56. Merge Intervals | Medium | 53.5% | TopicsArraySortingQuicksort |
| 200. Number of Islands | Medium | 53.5% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| Beautiful Arrangement | Medium | 53.5% | TopicsArrayDynamic ProgrammingBacktrackingBit ManipulationBitmask |
| 2434. Using a Robot to Print the Lexicographically Smallest String | Medium | 53.5% | TopicsHash TableStringStackGreedy |
| 1614. Maximum Nesting Depth of the Parentheses | Easy | 53.5% | TopicsStringStackBracket Sequences |
| 1258. Synonymous Sentences | Medium | 45.6% | TopicsArrayHash TableStringBacktrackingSortUnion-Find |
| Accounts Merge | Medium | 45.6% | TopicsArrayHash TableStringDepth-First SearchBreadth-First SearchUnion-FindSorting |
| LFU Cache | Hard | 45.6% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 1396. Design Underground System | Medium | 45.6% | TopicsHash TableStringDesign |
| Sentence Similarity II | Medium | 45.6% | TopicsArrayHash TableStringDepth-First SearchBreadth-First SearchUnion-Find |
| 692. Top K Frequent Words | Medium | 45.6% | TopicsArrayHash TableStringTrieSortingHeap (Priority Queue)Bucket SortCounting |
| 146. LRU Cache | Medium | 45.6% | TopicsHash TableLinked ListDesignDoubly-Linked List |
| 2296. Design a Text Editor | Hard | 45.6% | TopicsLinked ListStringStackDesignSimulationDoubly-Linked List |
| 3. Longest Substring Without Repeating Characters | Medium | 45.6% | TopicsHash TableStringSliding Window |
