Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 16 | Abstract Syntax Tree Builder | Hard | CompilerTreeParsing |
| 17 | Abundant and Deficient Classifier | Easy | LoopsLoopDivisors |
| 18 | Accepted Candidates From the Interviews | Medium | Database |
| 19 | Account Balance | Medium | Database |
| 20 | Account Balance After Rounded Purchase | Easy | Math |
| 21 | Accounts Merge | Medium | StackSegment Tree |
| 22 | Acronym Generator | Easy | StringsStringSplit |
| 23 | Active Businesses | Medium | Database |
| 24 | Active Users | Medium | Database |
| 25 | Activity Participants | Medium | Database |
| 26 | Actors and Directors Who Cooperated At Least Three Times | Easy | Database |
| 27 | Ad-Free Sessions | Easy | Database |
| 28 | Add Binary | Easy | MathStringBit Manipulation |
| 29 | Add Bold Tag in String | Medium | ArrayHash TableString |
| 30 | Add Digits | Easy | MathSimulationNumber Theory |
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