Practice problems across 75+ categories
Practice problems frequently asked at String Matching • 37 problems | 10 Easy | 11 Medium | 16 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 1 | Add Bold Tag in String | Medium | ArrayHash TableString |
| 2 | Bold Words in String | Medium | ArrayHash TableString |
| 3 | Camelcase Matching | Medium | ArrayTwo PointersString |
| 4 | Check If a Word Occurs As a Prefix of Any Word in a Sentence | Easy | Two PointersStringString Matching |
| 5 | Count Cells in Overlapping Horizontal and Vertical Substrings | Medium | ArrayStringRolling Hash |
| 6 | Count Prefix and Suffix Pairs I | Easy | ArrayStringTrie |
| 7 | Count Prefix and Suffix Pairs II | Hard | ArrayStringTrie |
| 8 | Counting Words With a Given Prefix | Easy | ArrayStringString Matching |
| 9 | Find All Good Strings | Hard | StringDynamic ProgrammingString Matching |
| 10 | Find Beautiful Indices in the Given Array I | Medium | Two PointersStringBinary Search |
| 11 | Find Beautiful Indices in the Given Array II | Hard | Two PointersStringBinary Search |
| 12 | Find Pattern in Infinite Stream I | Medium | ArraySliding WindowRolling Hash |
| 13 | Find Pattern in Infinite Stream II | Hard | ArraySliding WindowRolling Hash |
| 14 | Find the Index of the First Occurrence in a String | Easy | Two PointersStringString Matching |
| 15 | Find the Occurrence of First Almost Equal Substring | Hard | StringString Matching |
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