Dropbox
22 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 2043. Simple Bank System | Medium | 100% | TopicsArrayHash TableDesignSimulation |
| Web Crawler | Medium | 95% | TopicsStringDepth-First SearchBreadth-First SearchInteractive |
| Web Crawler Multithreaded | Medium | 95% | TopicsDepth-First SearchBreadth-First SearchConcurrency |
| 924. Minimize Malware Spread | Hard | 95% | TopicsArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 1. Two Sum | Easy | 92.1% | TopicsArrayHash Table |
| 4. Median of Two Sorted Arrays | Hard | 92.1% | TopicsArrayBinary SearchDivide and Conquer |
| 17. Letter Combinations of a Phone Number | Medium | 92.1% | TopicsHash TableStringBacktracking |
| 1001. Grid Illumination | Hard | 92.1% | TopicsArrayHash Table |
| 609. Find Duplicate File in System | Medium | 92.1% | TopicsArrayHash TableString |
| Word Break II | Hard | 92.1% | TopicsArrayHash TableStringDynamic ProgrammingBacktrackingTrieMemoization |
| 1178. Number of Valid Words for Each Puzzle | Hard | 92.1% | TopicsArrayHash TableStringBit ManipulationTrie |
| 290. Word Pattern | Easy | 92.1% | TopicsHash TableString |
| Game of Life | Medium | 92.1% | TopicsArrayMatrixSimulation |
| Word Pattern II | Medium | 92.1% | TopicsHash TableStringBacktracking |
| 2296. Design a Text Editor | Hard | 92.1% | TopicsLinked ListStringStackDesignSimulationDoubly-Linked List |
| 1250. Check If It Is a Good Array | Hard | 92.1% | TopicsArrayMathNumber TheoryBézout's LemmaEuclidean AlgorithmGreatest Common DivisorExtended Euclidean Algorithm |
| Design Hit Counter | Medium | 92.1% | TopicsArrayBinary SearchDesignQueueData Stream |
| 1845. Seat Reservation Manager | Medium | 92.1% | TopicsDesignHeap (Priority Queue) |
| 928. Minimize Malware Spread II | Hard | 92.1% | TopicsArrayHash TableDepth-First SearchBreadth-First SearchUnion-FindGraph Theory |
| 843. Guess the Word | Hard | 80.5% | TopicsArrayMathStringMinimaxInteractiveGame Theory |
| Candy | Hard | 67.9% | TopicsArrayGreedy |
| 56. Merge Intervals | Medium | 58% | TopicsArraySortingQuicksort |
