Practice problems across 75+ categories
Practice problems frequently asked at Two Pointers • 223 problems | 57 Easy | 134 Medium | 31 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 91 | Longest String Chain | Medium | ArrayHash TableTwo Pointers |
| 92 | Longest Uncommon Subsequence II | Medium | ArrayHash TableTwo Pointers |
| 93 | Longest Word in Dictionary through Deleting | Medium | ArrayTwo PointersString |
| 94 | Lowest Common Ancestor of a Binary Tree III | Medium | Hash TableTwo PointersTree |
| 95 | Magical String | Medium | Two PointersString |
| 96 | Make String a Subsequence Using Cyclic Increments | Medium | Two PointersString |
| 97 | Max Number of K-Sum Pairs | Medium | ArrayHash TableTwo Pointers |
| 98 | Maximize Greatness of an Array | Medium | ArrayTwo PointersGreedy |
| 99 | Maximum Coins Heroes Can Collect | Medium | ArrayTwo PointersBinary Search |
| 100 | Maximum Distance Between a Pair of Values | Medium | ArrayTwo PointersBinary Search |
| 101 | Maximum Enemy Forts That Can Be Captured | Easy | ArrayTwo Pointers |
| 102 | Maximum Matching of Players With Trainers | Medium | ArrayTwo PointersGreedy |
| 103 | Maximum Number of Matching Indices After Right Shifts | Medium | ArrayTwo PointersSimulation |
| 104 | Maximum Number of Non-overlapping Palindrome Substrings | Hard | Two PointersStringDynamic Programming |
| 105 | Maximum Number of Points From Grid Queries | Hard | ArrayTwo PointersBreadth-First Search |
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