Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3841 | Vending Machine | Medium | OOP DesignClassState Machine |
| 3842 | Verbal Arithmetic Puzzle | Hard | ArrayMathString |
| 3843 | Verify Preorder Sequence in Binary Search Tree | Medium | ArrayStackTree |
| 3844 | Verify Preorder Serialization of a Binary Tree | Medium | StringStackTree |
| 3845 | Verifying an Alien Dictionary | Easy | ArrayHash TableString |
| 3846 | Vertical Order Traversal of a Binary Tree | Hard | Hash TableTreeDepth-First Search |
| 3847 | Video Stitching | Medium | ArrayDynamic ProgrammingGreedy |
| 3848 | Viewers Turned Streamers | Hard | Database |
| 3849 | Village Road Network | Easy | GraphBFSDFS |
| 3850 | Visit Array Positions to Maximize Score | Medium | ArrayDynamic Programming |
| 3851 | Voting Eligibility | Easy | ConditionsIf-ElseDate |
| 3852 | Vowel Counter | Easy | StringsStringLoop |
| 3853 | Vowel Spellchecker | Medium | ArrayHash TableString |
| 3854 | Vowels Game in a String | Medium | MathStringBrainteaser |
| 3855 | Vowels of All Substrings | Medium | MathStringDynamic Programming |
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