Apple
282 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 3163. String Compression III | Medium | 29.7% | TopicsString |
| 1041. Robot Bounded In Circle | Medium | 29.7% | TopicsMathStringSimulation |
| Logger Rate Limiter | Easy | 29.7% | TopicsHash TableDesignData Stream |
| 1197. Minimum Knight Moves | Medium | 29.7% | TopicsBreadth-First SearchHeuristic SearchBidirectional SearchA* Search |
| Longest Substring with At Most K Distinct Characters | Medium | 29.7% | TopicsHash TableStringSliding Window |
| 724. Find Pivot Index | Easy | 29.7% | TopicsArrayPrefix Sum |
| Read N Characters Given Read4 | Easy | 29.7% | TopicsArraySimulationInteractive |
| 1472. Design Browser History | Medium | 29.7% | TopicsArrayLinked ListStackDesignDoubly-Linked ListData Stream |
| 820. Short Encoding of Words | Medium | 29.7% | TopicsArrayHash TableStringTrie |
| Shortest Word Distance | Easy | 29.7% | TopicsArrayString |
| My Calendar II | Medium | 29.7% | TopicsArrayBinary SearchDesignSegment TreePrefix SumOrdered Set |
| 986. Interval List Intersections | Medium | 29.7% | TopicsArrayTwo PointersSweep Line |
| 1091. Shortest Path in Binary Matrix | Medium | 29.7% | TopicsArrayBreadth-First SearchMatrix |
| 2435. Paths in Matrix Whose Sum Is Divisible by K | Hard | 29.7% | TopicsArrayDynamic ProgrammingMatrix |
| Find the Celebrity | Medium | 29.7% | TopicsTwo PointersGraph TheoryInteractive |
| Encode and Decode TinyURL | Medium | 29.7% | TopicsHash TableStringDesignHash Function |
| 212. Word Search II | Hard | 29.7% | TopicsArrayStringBacktrackingTrieMatrix |
| 931. Minimum Falling Path Sum | Medium | 29.7% | TopicsArrayDynamic ProgrammingMatrix |
| Parse Lisp Expression | Hard | 29.7% | TopicsHash TableStringStackRecursion |
| 678. Valid Parenthesis String | Medium | 29.7% | TopicsStringDynamic ProgrammingStackGreedyBracket Sequences |
| 3408. Design Task Manager | Medium | 29.7% | TopicsHash TableDesignHeap (Priority Queue)Ordered Set |
| 496. Next Greater Element I | Easy | 29.7% | TopicsArrayHash TableStackMonotonic Stack |
| 785. Is Graph Bipartite? | Medium | 29.7% | TopicsDepth-First SearchBreadth-First SearchUnion-FindGraph TheoryGraph ColoringBipartite Graph |
| 6. Zigzag Conversion | Medium | 22.3% | TopicsString |
| 25. Reverse Nodes in k-Group | Hard | 22.3% | TopicsLinked ListRecursion |
