Practice problems across 75+ categories
Practice problems frequently asked at String • 803 problems | 228 Easy | 390 Medium | 177 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 766 | Strong Password Checker II | Easy | String |
| 767 | Student Attendance Record I | Easy | String |
| 768 | Subdomain Visit Count | Medium | ArrayHash TableString |
| 769 | Subsequence With the Minimum Score | Hard | Two PointersStringBinary Search |
| 770 | Substring Finder | Easy | StringsStringSearch |
| 771 | Substring Matching Pattern | Easy | StringString Matching |
| 772 | Substring with Concatenation of All Words | Hard | Hash TableStringSliding Window |
| 773 | Substring XOR Queries | Medium | ArrayHash TableString |
| 774 | Substrings of Size Three with Distinct Characters | Easy | Hash TableStringSliding Window |
| 775 | Substrings That Begin and End With the Same Letter | Medium | Hash TableMathString |
| 776 | Suffix Array Builder | Hard | Advanced DSStringArray |
| 777 | Sum Game | Medium | MathStringGreedy |
| 778 | Sum of Beauty of All Substrings | Medium | Hash TableStringCounting |
| 779 | Sum of Digits of String After Convert | Easy | StringSimulation |
| 780 | Sum of Largest Prime Substrings | Medium | Hash TableMathString |
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.
