Practice problems across 75+ categories
Practice problems frequently asked at Microsoft • 3344 problems | 831 Easy | 1747 Medium | 746 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 721 | Design HashMap | Easy | ArrayHash TableLinked List |
| 722 | Design HashSet | Easy | ArrayHash TableLinked List |
| 723 | Design Hit Counter | Medium | ArrayBinary SearchDesign |
| 724 | Design Linked List | Medium | Linked ListDesign |
| 725 | Design Log Storage System | Medium | Hash TableStringDesign |
| 726 | Design Memory Allocator | Medium | ArrayHash TableDesign |
| 727 | Design Most Recently Used Queue | Medium | ArrayLinked ListDivide and Conquer |
| 728 | Design Neighbor Sum Service | Easy | ArrayHash TableDesign |
| 729 | Design Parking System | Easy | DesignSimulationCounting |
| 730 | Design Phone Directory | Medium | ArrayHash TableLinked List |
| 731 | Design Search Autocomplete System | Hard | StringDepth-First SearchDesign |
| 732 | Design Skiplist | Hard | Linked ListDesign |
| 733 | Design Snake Game | Medium | ArrayHash TableDesign |
| 734 | Design Spreadsheet | Medium | ArrayHash TableString |
| 735 | Design SQL | Medium | ArrayHash TableString |
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