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Coding Topic

Hash Table OA Questions

Practice 501+ Hash Table coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

easy Hash Tablemedium Hash Tablehard Hash Table
QuestionCompanyDifficulty
Thrilling Teleporters DestinationsmongodbEasyReachable Tiles with TeleportersmongodbEasyArray Reduction via MEX — Lexicographically Largest ResultinmobiHardAncient Scroll RestorationgoogleHardPromo Code ValidatoramazonMediumQuestion 2visaMediumFind Matching Submatrixcapital oneMediumOnline OccurrencesciscoHardSpell Fragmentation DecodernokiaHardSequential Message DecodernokiaMediumOnline Grocery Order ManagementnokiaMediumWord PuzzleciscoHardWord SearchciscoHardLibrary Book Circulation Trackerhudson river tradingMediumTravel Photoshudson river tradingMediumAlmost MatchingoptiverMediumCryptarithmoptiverHardShortest Substringernst & youngMediumLongest Contiguous Subarray with Unique Bit CountsamazonEasyResource Locking in an m-Ary TreeamazonHardIn-Memory Cache with Eviction PolicieskaigenticHardSecond Most Frequent ElementibmEasyAlgorithms: K timesernst & youngEasyMinimum Operations to Process PackagesamazonMediumHacker: Root PasswordlegalzoomEasyJava: Library StructurepaypalEasyNew Network ProtocolakamaiMediumString ChainsakamaiMediumCommon SubstringcarousellEasyMeeting Room AvailabilityibmEasyCategory Browse EngineamazonMediumC++: Return RoutingamazonMediumBanking System Level 2truecallerMediumC++: Return Routing EngineamazonMediumSimplified Banking System ImplementationtruecallerHardQuestion 2: MovieDB WatchlistamazonMediumQuestion 1amazon sde1 1mayMediumLongest Contiguous HousesautodeskMediumCode Question 2amazonMediumSatellite Signal ProcessinginfosysHardDiscrete Structures: Comparison of Discrete Valuestiger analyticsEasyKid PhotographyalgouniversityMediumHackerCardsibmEasyLargest Palindromic Numberpublicis sapientMediumSalesforce Pair SumssalesforceEasyKid PhotographyalgouniversityHardSubarray Sums Divisible by Kalgo universityMediumTelevision Rating Point Calculationmorgan stanleyMediumTwo-Sumoahelper-practiceEasyModified KnapsackhackerearthMedium
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