Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 916 | Word Subsets | Medium | ArrayHash TableString |
| 917 | Reverse Only Letters | Easy | Two PointersString |
| 918 | Maximum Sum Circular Subarray | Medium | ArrayDivide and ConquerDynamic Programming |
| 919 | Complete Binary Tree Inserter | Medium | TreeBreadth-First SearchDesign |
| 920 | Number of Music Playlists | Hard | MathDynamic ProgrammingCombinatorics |
| 921 | Minimum Add to Make Parentheses Valid | Medium | StringStackGreedy |
| 922 | Sort Array By Parity II | Easy | ArrayTwo PointersSorting |
| 923 | 3Sum With Multiplicity | Medium | ArrayHash TableTwo Pointers |
| 924 | Minimize Malware Spread | Hard | ArrayHash TableDepth-First Search |
| 925 | Long Pressed Name | Easy | Two PointersString |
| 926 | Flip String to Monotone Increasing | Medium | StringDynamic Programming |
| 927 | Three Equal Parts | Hard | ArrayMath |
| 928 | Minimize Malware Spread II | Hard | ArrayHash TableDepth-First Search |
| 928 | Minimum Falling Path Sum | Medium | ArrayDynamic ProgrammingMatrix |
| 929 | Unique Email Addresses | Easy | ArrayHash TableString |
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