Practice problems across 75+ categories
Practice problems frequently asked at String • 803 problems | 228 Easy | 390 Medium | 177 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 736 | Substrings That Begin and End With the Same Letter | Medium | Hash TableMathString |
| 737 | Sum Game | Medium | MathStringGreedy |
| 738 | Sum of Beauty of All Substrings | Medium | Hash TableStringCounting |
| 739 | Sum of Digits of String After Convert | Easy | StringSimulation |
| 740 | Sum of Largest Prime Substrings | Medium | Hash TableMathString |
| 741 | Sum of Prefix Scores of Strings | Hard | ArrayStringTrie |
| 742 | Sum of Scores of Built Strings | Hard | StringBinary SearchRolling Hash |
| 743 | Super Palindromes | Hard | MathStringEnumeration |
| 744 | Swap Adjacent in LR String | Medium | Two PointersString |
| 745 | Swap For Longest Repeated Character Substring | Medium | Hash TableStringSliding Window |
| 746 | Synonymous Sentences | Medium | ArrayHash TableString |
| 747 | Tag Validator | Hard | StringStack |
| 748 | Take K of Each Character From Left and Right | Medium | Hash TableStringSliding Window |
| 749 | Ternary Expression Parser | Medium | StringStackRecursion |
| 750 | Text Justification | Hard | ArrayStringSimulation |
Powerful online tools to boost your productivity
Coding Ground For Developers
Code, Edit, Run and ShareIgnite your coding potential on Coding Ground - an immersive online platform for hands-on learning, collaboration, and skill development.
