Practice problems across 75+ categories
Practice problems frequently asked at String • 803 problems | 228 Easy | 390 Medium | 177 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 376 | Longest Word in Dictionary through Deleting | Medium | ArrayTwo PointersString |
| 377 | Longest Word With All Prefixes | Medium | ArrayStringDepth-First Search |
| 378 | Magical String | Medium | Two PointersString |
| 379 | Make Number of Distinct Characters Equal | Medium | Hash TableStringCounting |
| 380 | Make String a Subsequence Using Cyclic Increments | Medium | Two PointersString |
| 381 | Make String Anti-palindrome | Hard | StringGreedySorting |
| 382 | Make The String Great | Easy | StringStack |
| 383 | Make Three Strings Equal | Easy | String |
| 384 | Making File Names Unique | Medium | ArrayHash TableString |
| 385 | Map Sum Pairs | Medium | Hash TableStringDesign |
| 386 | Masking Personal Information | Medium | String |
| 387 | Match Alphanumerical Pattern in Matrix I | Medium | ArrayHash TableString |
| 388 | Match Substring After Replacement | Hard | ArrayHash TableString |
| 389 | Maximize Active Section with Trade I | Medium | StringEnumeration |
| 390 | Maximize Active Section with Trade II | Hard | ArrayStringBinary Search |
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