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Built by students, for students — practice company-specific OAs, DSA sheets, and real interview experiences to land your dream role.

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OA Practice·DSA·Placements

Disclaimer: OAHelper is an independent educational platform. We (oahelper.in) do not own the images or questions shown. Content is uploaded by users.

Coding Topic

Topological Sort OA Questions

Practice 22+ Topological Sort coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

easy Topological Sort medium Topological Sort hard Topological Sort

QuestionCompanyDifficulty

Collect The CoinsciscoHard Minimize Tree Diameterbny 18novMedium Node DistanceszscalerHard

Family Dinner

innovacer

Hard

Cycle Detection in a GraphklaHard

Wooden Block PuzzlenasdaqMedium

Collect The CoinsamazonHard

Maximum RecipesdeshawMedium

Longest Path in NetworkmedibuddyMedium

Debugging - Maximum Weight Path in Directed NetworkmedibuddyMedium

Consistent Friend ListsmyntraMedium

Drone Delivery Servicetvs 6augMedium

Energy Efficient Drone DeliverytvsMedium

Task Scheduler with Dependency Constraintsdeutsche bankHard

Minimum Time to Complete Tasks with DependenciesurbanMedium

Shortest Path to Collect All Coins in a TreeciscoHard

Optimizing Salesforce Hierarchysalesforce 24mayHard

Count Delayed Flightsion groupMedium

Golden Archipelago Treasure HuntadobeHard

Circular Dinner ArrangementbarclaysHard

Fastest Ferry ProbleminfosysMedium

Alumni Dinner Seating ArrangementbarclaysHard

All topics All problems Company-wise OA questions cisco OA questions bny 18nov OA questions zscaler OA questions innovacer OA questions kla OA questions nasdaq OA questions

Topological Sort OA Questions | OAHelper