Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 736 | Design HashMap | Easy | ArrayHash TableLinked List |
| 737 | Design HashSet | Easy | ArrayHash TableLinked List |
| 738 | Design Hit Counter | Medium | ArrayBinary SearchDesign |
| 739 | Design Linked List | Medium | Linked ListDesign |
| 740 | Design Log Storage System | Medium | Hash TableStringDesign |
| 741 | Design Memory Allocator | Medium | ArrayHash TableDesign |
| 742 | Design Most Recently Used Queue | Medium | ArrayLinked ListDivide and Conquer |
| 743 | Design Neighbor Sum Service | Easy | ArrayHash TableDesign |
| 744 | Design Parking System | Easy | DesignSimulationCounting |
| 745 | Design Phone Directory | Medium | ArrayHash TableLinked List |
| 746 | Design Search Autocomplete System | Hard | StringDepth-First SearchDesign |
| 747 | Design Skiplist | Hard | Linked ListDesign |
| 748 | Design Snake Game | Medium | ArrayHash TableDesign |
| 749 | Design Spreadsheet | Medium | ArrayHash TableString |
| 750 | Design SQL | Medium | ArrayHash TableString |
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