Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 826 | Most Profit Assigning Work | Medium | ArrayTwo PointersBinary Search |
| 827 | Making A Large Island | Hard | ArrayDepth-First SearchBreadth-First Search |
| 828 | Count Unique Characters of All Substrings of a Given String | Hard | Hash TableStringDynamic Programming |
| 829 | Consecutive Numbers Sum | Hard | MathEnumeration |
| 829 | Flipping an Image | Easy | ArrayTwo PointersBit Manipulation |
| 830 | Positions of Large Groups | Easy | String |
| 831 | Masking Personal Information | Medium | String |
| 833 | Find And Replace in String | Medium | ArrayHash TableString |
| 834 | Sum of Distances in Tree | Hard | Dynamic ProgrammingTreeDepth-First Search |
| 835 | Image Overlap | Medium | ArrayMatrix |
| 835 | Push Dominoes | Medium | Two PointersStringDynamic Programming |
| 836 | Rectangle Overlap | Easy | MathGeometry |
| 837 | Magic Squares In Grid | Medium | ArrayHash TableMath |
| 837 | New 21 Game | Medium | MathDynamic ProgrammingSliding Window |
| 839 | Similar String Groups | Hard | ArrayHash TableString |
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