Practice problems across 75+ categories
Practice problems frequently asked at Sorting • 464 problems | 89 Easy | 273 Medium | 101 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 76 | Describe the Painting | Medium | ArrayHash TableSorting |
| 77 | Design a File Sharing System | Medium | Hash TableDesignSorting |
| 78 | Design A Leaderboard | Medium | Hash TableDesignSorting |
| 79 | Design a Todo List | Medium | ArrayHash TableString |
| 80 | Design In-Memory File System | Hard | Hash TableStringDesign |
| 81 | Design Search Autocomplete System | Hard | StringDepth-First SearchDesign |
| 82 | Destroying Asteroids | Medium | ArrayGreedySorting |
| 83 | Determine if Two Strings Are Close | Medium | Hash TableStringSorting |
| 84 | Diagonal Traverse II | Medium | ArraySortingHeap (Priority Queue) |
| 85 | Display Table of Food Orders in a Restaurant | Medium | ArrayHash TableString |
| 86 | Distant Barcodes | Medium | ArrayHash TableGreedy |
| 87 | Divide an Array Into Subarrays With Minimum Cost I | Easy | ArraySortingEnumeration |
| 88 | Divide Array in Sets of K Consecutive Numbers | Medium | ArrayHash TableGreedy |
| 89 | Divide Array Into Arrays With Max Difference | Medium | ArrayGreedySorting |
| 90 | Divide Intervals Into Minimum Number of Groups | Medium | ArrayTwo PointersGreedy |
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