Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 811 | Design Spreadsheet | Medium | ArrayHash TableString |
| 812 | Design SQL | Medium | ArrayHash TableString |
| 813 | Design Task Manager | Medium | Hash TableDesignHeap (Priority Queue) |
| 814 | Design Tic-Tac-Toe | Medium | ArrayHash TableDesign |
| 815 | Design Twitter | Medium | Hash TableLinked ListDesign |
| 816 | Design Underground System | Medium | Hash TableStringDesign |
| 817 | Design Video Sharing Platform | Hard | Hash TableStackDesign |
| 818 | Destination City | Easy | ArrayHash TableString |
| 819 | Destroy Sequential Targets | Medium | ArrayHash TableCounting |
| 820 | Destroying Asteroids | Medium | ArrayGreedySorting |
| 821 | Detect Capital | Easy | String |
| 822 | Detect Cycles in 2D Grid | Medium | ArrayDepth-First SearchBreadth-First Search |
| 823 | Detect Pattern of Length M Repeated K or More Times | Easy | ArrayEnumeration |
| 824 | Detect Squares | Medium | ArrayHash TableDesign |
| 825 | Determine Color of a Chessboard Square | Easy | MathString |
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