← All DSA topicsArrays practice problems
Work with indexed collections, careful iteration, and efficient ways to find or combine values. Think about time complexity and extra space as your inputs grow.
Practice on CodeForge
- 2. Package Manifest VerificationNovice
- 3. Longest Stable Battle FormationHunter
- 5. Employee Management — Missing Employee IDHunter
- 6. Airline Ticket Reselling — Fare Opportunity PlanningBeast
- 7. Kingdom Battle: Capture the Maximum Number of VillagesBeast
- 8. Battle for the KingdomHunter
- 9. Insert Position in a Spacecraft Cargo ListNovice
- 13. Ancient Vault Code II: The Palindrome QuestHunter
- 14. Team Formation PossibilitiesHunter
- 16. Playlist RemixHunter
- 17. Assembly Line InspectorBeast
- 19. Garden PathHunter
- 24. Rabbit Path— 1, 3, or 5 JumpsNovice
- 34. Warehouse Label Assembly ValidatorNovice
- 39. Hospital Resource AllocationHunter
- 40. Agricultural Sensor MonitorNovice
- 41. Airport Runway AllocationNovice
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