Practice problems across 75+ categories
Practice problems frequently asked at Amazon • 3399 problems | 851 Easy | 1772 Medium | 756 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 2701 | Rearrange K Substrings to Form Target String | Medium | Hash TableStringSorting |
| 2702 | Rearrange Products Table | Easy | Database |
| 2703 | Rearrange Spaces Between Words | Easy | String |
| 2704 | Rearrange String k Distance Apart | Hard | Hash TableStringGreedy |
| 2705 | Rearrange Words in a Sentence | Medium | StringSorting |
| 2706 | Rearranging Fruits | Hard | ArrayHash TableGreedy |
| 2707 | Reconstruct a 2-Row Binary Matrix | Medium | ArrayGreedyMatrix |
| 2708 | Reconstruct Itinerary | Hard | Depth-First SearchGraphEulerian Circuit |
| 2709 | Reconstruct Original Digits from English | Medium | Hash TableMathString |
| 2710 | Recover Binary Search Tree | Medium | TreeDepth-First SearchBinary Search Tree |
| 2711 | Rectangle Area | Medium | MathGeometry |
| 2712 | Rectangle Area II | Hard | ArraySegment TreeLine Sweep |
| 2713 | Rectangle Overlap | Easy | MathGeometry |
| 2714 | Rectangles Area | Medium | Database |
| 2715 | Recyclable and Low Fat Products | Easy | Database |
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