Coding Topic
String OA Questions
Practice 822+ String coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.
QuestionCompanyDifficulty
Pair Outer Characterspaypay_1augEasyMost Frequent N-gramtexasEasyCard Stack Rotation With Exactly K CutsmykaarmaEasyBinary Command AutocompleteamazonEasyFlag Suspicious API RequestssalesforceEasyExtract the Maximum Numeric Valuenri fintechEasyCost MinimizationjpmcEasyDerive Alien Character OrderintuitEasySmallest Base Segment for Data RestorationamazonEasyDerive Alien Character OrderintuitHardWorkflow Replacement CountepamMediumSmallest Base Segment for Data RestorationamazonMediumBest Swap Position for the Edited TextmicrosoftMediumValid Password Constructionde-shawMediumGolden Price SavingsflipkartEasyCurrency Exchange TrackeraccentureEasyValidate Date of Birth and Generate User Identifierflipkart-gridEasyDate of Birth Validatortexas-instrumentsEasySam's Password ScannergocommotionMediumMost Frequent Keyword SubstringsflipkartMediumRecurring Keyword SequencesflipkartMediumOdd One Out Difference PatternhackerrankEasyValidate DOB and Generate User Identifiertexas instrumentsEasyEmergency Bed Allocation RiskflipkartMediumLexicographically Smallest Valid StringmicrosoftMediumLexicographically Smallest Base StringripplingMediumRemove Duplicate CharactersnatwestEasySame Parity Integers in a RangelinkedinMediumLighthouse Flag BroadcastgoogleHardWord Quest Clue MatchingamazonEasyBinary Palindromic NumberssprinklrMediumWord Puzzle OccurrencesflipkartMediumMr. Thomas's EquationhireproEasyEvaluate the XYZ EquationflipkartMediumValid Number PartitionsepamMediumDebugging the Punch TapecodechefEasyLongest Uniform Binary Substring with K FlipsepamMediumLexicographic Removal DuelamazonHardEncrypting StringsexpediaMediumOptimal String ReversalnokiaMediumCost of Building a StringvaluelabsHardPalindrome Substrings CountgensparkMediumPet Supply StorecomcastEasyCutting EdgescomcastMediumLanguage Coding - Number of Cameras Connected to Control Centerprincipal globalEasySub-Palindromepublicis sapientMediumMax Integer in StringhighradiusEasyProduct SentimenthighradiusEasyStripe Merchant Fraud Risk ScoringstripeMediumFind Minimum IdlenesscitadelHard