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Coding Topic

Combinatorics OA Questions

Practice 124+ Combinatorics coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

easy Combinatorics medium Combinatorics hard Combinatorics

QuestionCompanyDifficulty

Process SchedulingcitadelEasy Colorful Constructionalgo universityHard Salesforce Pair SumssalesforceEasy

Code Question 2

amazon

Medium

Keypad DecoderbnyMedium

Power of ArraybnyHard

Waste of TimebnyMedium

Waste of TimebnyMedium

Sub-rectangle Counting ProblemflipkartEasy

Substring deletionjoveoMedium

Student ArrangementciscoHard

1. Burst the balloonsepamEasy

Count Tree PathsgameskraftHard

Minimum SumadobeHard

Product Dependency TreeintuitHard

Product Dependency TreeintuitHard

One blockswiggyEasy

One blockswiggyEasy

K-special numbersuidaiHard

Valid NetworkschrodingerMedium

Count of Non-Consecutive ArrangementssiemensHard

Count Triplets with Bounded DifferenceibmMedium

Beautiful stringsinfosysHard

Fixing a Damaged Palindromic MessageibmEasy

Infection SequencesamazonHard

Counting Divisible by 15 NumberswalmartMedium

Number of Ways to Choose CablesibmEasy

Project LaunchphilipsEasy

Employee of the YearmyntraMedium

Tech Club Committee FormationmyntraHard

Count Digit Oneamerican expressHard

Valid BST PermutationsoracleMedium

Tricky subarraysgoogleHard

GridlandagodaMedium

Tricky SubarraysgoogleHard

Subarray XOR SumcashfreeMedium

The coin problemhilabsMedium

Count Numbers with Same Set BitsmicrosoftEasy

Numbers Formation:zomatoHard

Count Digit OneamexHard

Distinct waysnetcoreHard

Space Mission Highway CombinationsrubrikMedium

Count Minimum Product TriplesamdocsEasy

Ensemble Model SelectionoracleEasy

Palindromic Subsequences of Length 5publicis sapientHard

Distinct waysnetcore 26octMedium

The coin problemhilabsHard

Gambler's DicesprinklrMedium

Numbers and cardsdevrevHard

Card Selection CombinatoricsrapidoHard

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Combinatorics OA Questions | OAHelper