Company OAsDSA SheetAll ProblemsPlacement DataInterview ExperiencesPremium
OAHelper

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

© 2026 OAHelper.in·Terms·Privacy·Refunds·Trust & Safety·Contact·
Ready to crack your next OA?

Practice company-specific questions trusted by thousands of students across India.

Start PracticingGo Premium
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

Enumeration OA Questions

Practice 258+ Enumeration coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

easy Enumerationmedium Enumerationhard Enumeration
QuestionCompanyDifficulty
Reachable Tiles with TeleportersmongodbEasyThe Labyrinth's LoopinmobiHardOptimal String ReversalnokiaMediumFind Matching Submatrixcapital oneMediumWord SearchciscoHardCryptarithmoptiverHardEqual Sum Rectangular AreaswiproMediumCutting Metal RodscognizantMediumProject Phase Task AssignmentinfosysMediumWarehouse Robotics SystemamazonMediumWarehouse Robotics System StabilityamazonMediumMaximize Fixed Points After One SwapinfosysMediumIdeal NumbersibmEasyGrid Motif DesignautodeskMediumSalesforce Record BalancingsalesforceHardPermutations of the Stringalgo universityEasyMaximum Value of Matrix ExpressionsautodeskMediumQuestion 1: Divisible TripletsvisaMediumQuestion 2ibmMediumSurprise Testbny mellonMediumThe Library ProblembnyEasyThe Library ProblembnyEasyLatest Valid Date with WildcardswiproMediumBinary palindromic numbersteradataMedium01. Helping Alexnational payments corporation of indiaEasyCount the number of spikesibmEasyQuestion 3thoughtworksEasyDraft Workflow Questionamazon 3marchMediumCity Block PartitionjuspayMediumCircular DefenseemergentMediumSum of Every Xth ElementdeloitteEasy01. Convert to Palindromic NumbercapgeminiEasyConvert to Palindromic NumbercapgeminiEasyIdeal NumbersmicrosoftEasySquare investmentswiggyMediumSearching Algorithms: Lovely Elementstiger analyticsEasyValid Server IdentifiersamazonMediumMinimum Cost to Partition Production OrdersinfosysMediumCount Increasing PairsibmEasyCount Extraordinary SubstringsaristaMediumLeft Rotation of a StringpractoEasyProductive Team of Four WorkersamazonHardDrone DeliveryspringworksEasyBinary Palindromic NumbersteradataMediumLouie and PairstavantMediumComputer StoretavantMediumMax Drone CapacityspringworksEasyQ1. Largest Factorial NumbertavantMediumCafeteriaslk softwareEasyBlock Motif DesignvisaMedium
All topicsAll problemsCompany-wise OA questionsmongodb OA questionsinmobi OA questionsnokia OA questionscapital one OA questionscisco OA questionsoptiver OA questions