Practice problems across 75+ categories
Practice coding problems across all companies and topics • 3600 problems | 879 Easy | 1856 Medium | 842 Hard
| # | Problem | Difficulty | Topics |
|---|---|---|---|
| 3781 | Group Students by Grade | Medium | HashingHashMapGrouping |
| 3782 | Set Operations Implementer | Medium | SetsSetLogic |
| 3783 | Consistent Hashing Demo | Medium | HashingHashMapAlgorithm |
| 3784 | Cache with Expiry | Medium | HashingHashMapTime |
| 3785 | Bloom Filter | Medium | HashingBit ArrayHash |
| 3786 | Count Distinct in Windows | Medium | HashingHashMapSliding Window |
| 3787 | Frequency-Matched Strings | Medium | HashingHashMapString |
| 3788 | Rabin-Karp String Search | Medium | HashingStringRolling Hash |
| 3789 | Bank Account System | Medium | OOP DesignClassEncapsulation |
| 3790 | Library Management System | Medium | OOP DesignClassCollections |
| 3791 | Parking Lot Simulator | Medium | OOP DesignClassLogic |
| 3792 | Event Scheduler | Medium | OOP DesignClassPriority Queue |
| 3793 | Chat Room System | Medium | OOP DesignClassObserver Pattern |
| 3794 | File System Simulator | Medium | OOP DesignClassTree |
| 3795 | Vending Machine | Medium | OOP DesignClassState Machine |
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