| Company | Problem | Difficulty | Times | Period | Link |
|---|---|---|---|---|---|
| Rokt | Regular Expression Matching | Hard | 2 | 0 - 3 months | https://leetcode.com/problems/regular-expression-matching |
| Rokt | Basic Calculator | Hard | 7 | 0 - 6 months | https://leetcode.com/problems/basic-calculator |
| Rokt | Basic Calculator II | Medium | 5 | 0 - 6 months | https://leetcode.com/problems/basic-calculator-ii |
| Rokt | Valid Word Abbreviation | Easy | 4 | 0 - 6 months | https://leetcode.com/problems/valid-word-abbreviation |