Practice problems across 75+ categories
Practice problems frequently asked at Two Pointers • 223 problems | 57 Easy | 134 Medium | 31 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 46 | Find First Palindromic String in the Array | Easy | ArrayTwo PointersString |
| 47 | Find Indices With Index and Value Difference I | Easy | ArrayTwo Pointers |
| 48 | Find Indices With Index and Value Difference II | Medium | ArrayTwo Pointers |
| 49 | Find K Closest Elements | Medium | ArrayTwo PointersBinary Search |
| 50 | Find K-th Smallest Pair Distance | Hard | ArrayTwo PointersBinary Search |
| 51 | Find Maximum Removals From Source String | Medium | ArrayHash TableTwo Pointers |
| 52 | Find Median from Data Stream | Hard | Two PointersDesignSorting |
| 53 | Find Positive Integer Solution for a Given Equation | Medium | MathTwo PointersBinary Search |
| 54 | Find the Array Concatenation Value | Easy | ArrayTwo PointersSimulation |
| 55 | Find the Celebrity | Medium | Two PointersGraphInteractive |
| 56 | Find the Distance Value Between Two Arrays | Easy | ArrayTwo PointersBinary Search |
| 57 | Find the Duplicate Number | Medium | ArrayTwo PointersBinary Search |
| 58 | Find the Index of the First Occurrence in a String | Easy | Two PointersStringString Matching |
| 59 | Find the Integer Added to Array II | Medium | ArrayTwo PointersSorting |
| 60 | Find the Lexicographically Largest String From the Box I | Medium | Two PointersStringEnumeration |
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