Coding Topic
Combinatorics OA Questions
Practice 219+ Combinatorics coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.
QuestionCompanyDifficulty
Ordered Unit Fraction Pairs Summing To One Over N Factorialpoint72HardSummit Photo LinethoughtspotHardBob Reshuffles the Fruit TraysthoughtspotMediumClearing the Bar at the Bike Depotcommonwealth bank of australiaMediumDispatch Rosters at the DepoteternalMediumMirror-Shy Shades on the Bistro AisleeternalMediumN-th Ticket Number With a Given Digit TotalthoughtspotMediumSignal Beacons on a Square PlazamarshHardButton Selections That Leave the Lamp Littiger analyticsEasyGym Check-In Logs That Earn A Loyalty BadgeadobeHardSample Arrangements Hitting An Exact Processing CostmeltwaterHardBadge Numbers With a Fixed Digit Totalalight solutionsMediumRebuilding the Offer FeeduberHardFills That Make A Smudged Pallet Tag Balancecapital oneMediumCrossing Free Cable LayoutsmedianetMediumEvidence Bundles of Non-Overlapping Pattern OccurrencesinmobiHardSerial Codes With a Capped Repeat Runlg adsMediumCount Identifiers with at Least Two Zero DigitsamazonMediumSystem Goodness (Water Management Tanks)googleMediumSeedling Fruit Tally Across GenerationsnatwestMediumAlternating Cost of a Binary StringgoogleMediumCount Ways to Obtain Exactly k SubgraphsflipkartMediumMaximum Stability Score When Shutting Down Pressure ValvesmeltwaterHardCounting Triplets Of Tree Nodes With No Edge Among ThemeternalMediumCount Binary Strings With Exactly M Ones And No Long RundeshawHardTower Placements by Number of Active NodesharnessHardMerge Two Strings Into a ThirduberMediumSplitting a Load Profile Into a Rising and a Falling PartmathworksHardKth Keypad Word in Dictionary OrderaxisbankMediumRotation Ways to Reach the TargetpaceMediumKth Lexicographic Digit ArrangementappsforbharatMediumSharing Tasks With Tom and JerrymedianetMediumConsonant Shuffles With Vowels PinnedaccentureEasyMessi's Trophy TowersquarepointMediumMixing Paints With a Limit on Colours per MixolaMediumCount Valid Hackerbank PasswordsmeeshoMediumDistinct Infection Sequences in Hacker LandmeeshoMediumVowel-Complete Subsequences of a Compressed Stringdeutsche bankMediumMinimum and Maximum Telephone ConnectionssirionlabMediumTotal Energy of SubsequencesteradataMediumCounting Exam Seatings with No Shared Row or ColumnexxonmobilMediumCounting Paired Monotone ArraysmedianetMediumCounting Intended Words From a Sticky Keyboardge healthcareEasyCounting ArraysoracleMediumTotal Operations to Make Every Subarray PalindromicgeeksforgeeksMediumStable Workload Treestower researchHardDomino Tilinggoldman sachsMediumNumber of Unique Subsets with K Distinct FruitsmyntraMediumNumber of Ways to Reach Island NnetradyneMediumCount Task Complexity AssignmentsdeshawHard