Apple
282 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| 103. Binary Tree Zigzag Level Order Traversal | Medium | 22.3% | TopicsTreeBreadth-First SearchBinary Tree |
| 2788. Split Strings by Separator | Easy | 22.3% | TopicsArrayString |
| 2347. Best Poker Hand | Easy | 22.3% | TopicsArrayHash TableCounting |
| 843. Guess the Word | Hard | 22.3% | TopicsArrayMathStringMinimaxInteractiveGame Theory |
| Sliding Window Median | Hard | 22.3% | TopicsArrayHash TableSliding WindowHeap (Priority Queue)Treap |
| Image Smoother | Easy | 22.3% | TopicsArrayMatrix |
| 133. Clone Graph | Medium | 22.3% | TopicsHash TableDepth-First SearchBreadth-First SearchGraph Theory |
| 874. Walking Robot Simulation | Medium | 22.3% | TopicsArrayHash TableSimulation |
| 1168. Optimize Water Distribution in a Village | Hard | 22.3% | TopicsUnion-FindGraph TheoryHeap (Priority Queue)Minimum Spanning TreePrim's AlgorithmKruskal's AlgorithmBorůvka's Algorithm |
| 3613. Minimize Maximum Component Cost | Medium | 22.3% | TopicsBinary SearchUnion-FindGraph TheorySorting |
| 199. Binary Tree Right Side View | Medium | 22.3% | TopicsTreeDepth-First SearchBreadth-First SearchBinary Tree |
| Substring with Concatenation of All Words | Hard | 22.3% | TopicsHash TableStringSliding Window |
| Binary Search Tree Iterator | Medium | 22.3% | TopicsStackTreeDesignBinary Search TreeBinary TreeIterator |
| 1870. Minimum Speed to Arrive on Time | Medium | 22.3% | TopicsArrayBinary Search |
| 37. Sudoku Solver | Hard | 22.3% | TopicsArrayHash TableBacktrackingMatrixAlgorithm XDancing Links |
| Convert Sorted List to Binary Search Tree | Medium | 22.3% | TopicsLinked ListDivide and ConquerTreeBinary Search TreeBinary Tree |
| 1854. Maximum Population Year | Easy | 22.3% | TopicsArrayCountingPrefix Sum |
| 338. Counting Bits | Easy | 22.3% | TopicsDynamic ProgrammingBit Manipulation |
| Sentence Similarity II | Medium | 22.3% | TopicsArrayHash TableStringDepth-First SearchBreadth-First SearchUnion-Find |
| Design Linked List | Medium | 22.3% | TopicsLinked ListDesign |
| 365. Water and Jug Problem | Medium | 22.3% | TopicsMathDepth-First SearchBreadth-First SearchBézout's LemmaEuclidean AlgorithmGreatest Common DivisorExtended Euclidean Algorithm |
| Minimum Size Subarray Sum | Medium | 22.3% | TopicsArrayBinary SearchSliding WindowPrefix Sum |
| 1229. Meeting Scheduler | Medium | 22.3% | TopicsArrayTwo PointersSorting |
| 695. Max Area of Island | Medium | 22.3% | TopicsArrayDepth-First SearchBreadth-First SearchUnion-FindMatrix |
| One Edit Distance | Medium | 22.3% | TopicsTwo PointersString |
