Rokt
6 problems
| Problem | Difficulty | Frequency ↓ | Topics |
|---|---|---|---|
| Basic Calculator | Hard | 100% | TopicsMathStringStackRecursion |
| Basic Calculator II | Medium | 97.8% | TopicsMathStringStack |
| Valid Word Abbreviation | Easy | 89.2% | TopicsTwo PointersString |
| 10. Regular Expression Matching | Hard | 80.7% | TopicsStringDynamic ProgrammingRecursion |
| 20. Valid Parentheses | Easy | 74.6% | TopicsStringStackBracket Sequences |
| 1472. Design Browser History | Medium | 66.1% | TopicsArrayLinked ListStackDesignDoubly-Linked ListData Stream |
