Practice problems across 75+ categories
Practice problems frequently asked at String • 803 problems | 228 Easy | 390 Medium | 177 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 196 | Excel Sheet Column Number | Easy | MathString |
| 197 | Excel Sheet Column Title | Easy | MathString |
| 198 | Execution of All Suffix Instructions Staying in a Grid | Medium | StringSimulation |
| 199 | Existence of a Substring in a String and Its Reverse | Easy | Hash TableString |
| 200 | Expression Add Operators | Hard | MathStringBacktracking |
| 201 | Expressive Words | Medium | ArrayTwo PointersString |
| 202 | Extra Characters in a String | Medium | ArrayHash TableString |
| 203 | Faulty Keyboard | Easy | StringSimulation |
| 204 | Final Value of Variable After Performing Operations | Easy | ArrayStringSimulation |
| 205 | Find All Anagrams in a String | Medium | Hash TableStringSliding Window |
| 206 | Find All Good Strings | Hard | StringDynamic ProgrammingString Matching |
| 207 | Find All Possible Recipes from Given Supplies | Medium | ArrayHash TableString |
| 208 | Find And Replace in String | Medium | ArrayHash TableString |
| 209 | Find and Replace Pattern | Medium | ArrayHash TableString |
| 210 | Find Beautiful Indices in the Given Array I | Medium | Two PointersStringBinary Search |
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