Topic Difficulty

Medium Combinatorics OA Questions

Practice 75+ medium Combinatorics coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

Count Palindromic Subsequences of Length 5microsoftMedium Code Question 2amazonMedium PairsinfosysMedium Code Question 2amazonMedium Keypad DecoderbnyMedium Waste of TimebnyMedium Waste of TimebnyMedium Substring deletionjoveoMedium Valid NetworkschrodingerMedium Count Triplets with Bounded DifferenceibmMedium Counting Divisible by 15 NumberswalmartMedium Employee of the YearmyntraMedium Valid BST PermutationsoracleMedium GridlandagodaMedium Subarray XOR SumcashfreeMedium The coin problemhilabsMedium Space Mission Highway CombinationsrubrikMedium Distinct waysnetcore 26octMedium Gambler's DicesprinklrMedium Debugging - K-special numberstrimbleMedium Uber Green Zone ExpansionuberMedium Code ManiatitanMedium Unique String ArrangementsmeeshoMedium Pipeline Response Time SumtypefaceMedium Enigma functiontridenceMedium Stacking MoneyamazonMedium AND Product of SubsequencesintuitMedium Office Distributionzomato 1augMedium Sum of All ValuesmathworksMedium Good SubsequencesagodaMedium Unique Pathsgoldman sachsMedium Count Good SubsequencessalesforceMedium Count Good SubsequencesservicenowMedium Busy TypinggoogleMedium Contest pairproboMedium Bitwise Operations CountzetaMedium Subarray Xor SumukgMedium Count Perfect Route Cyclesdeshaw 30juneMedium Gambler's DicesprinklrMedium Deliver PizzasepamMedium Maximum Toll RevenuebarclaysMedium The Coin ProblemcoinswitchMedium Access Code GenerationmyntraMedium Maximum Toll Revenue RoadbarclaysMedium Pascal Triangle EncryptionamazonMedium Interesting NumbersboltearthMedium Numbers and CardsshaadiMedium Pascal Triangle EncryptionamazonMedium Consistent DatagigskyMedium Sum of All Subarray XORsukgMedium