Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3196 | Reverse Linked List | Easy | Linked ListRecursion |
| 3197 | Reverse Linked List II | Medium | Linked List |
| 3198 | Reverse Nodes in Even Length Groups | Medium | Linked List |
| 3199 | Reverse Nodes in k-Group | Hard | Linked ListRecursion |
| 3200 | Reverse Odd Levels of Binary Tree | Medium | TreeDepth-First SearchBreadth-First Search |
| 3201 | Reverse Only Letters | Easy | Two PointersString |
| 3202 | Reverse Pairs | Hard | ArrayBinary SearchDivide and Conquer |
| 3203 | Reverse Prefix of Word | Easy | Two PointersStringStack |
| 3204 | Reverse String | Easy | Two PointersString |
| 3205 | Reverse String II | Easy | Two PointersString |
| 3206 | Reverse Subarray To Maximize Array Value | Hard | ArrayMathGreedy |
| 3207 | Reverse Substrings Between Each Pair of Parentheses | Medium | StringStack |
| 3208 | Reverse Vowels of a String | Easy | Two PointersString |
| 3209 | Reverse Words in a String | Medium | Two PointersString |
| 3210 | Reverse Words in a String II | Medium | Two PointersString |
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