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Coding Topic

Stack OA Questions

Practice 87+ Stack coding questions from real online assessments. Filter by company, solve in the OAHelper editor, and prepare for company-wise OAs.

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QuestionCompanyDifficulty

Browser historybarclaysMedium Code Question 1amazonMedium Code Question 1amazonMedium Code Question 1

amazon

Medium

Narrow Road Vehicle Collision SimulationappleMedium

Shopkeeper Sale - Final Price of ItemsmicrosoftMedium

Vehicle Collision SimulationappleMedium

Stack Batch Removalimc tradingMedium

Final Discounted PricegocometEasy

Compress Big WordsaristaMedium

Compress Big WordsaristaMedium

Second next greater elementuidaiHard

Final PriceagodaEasy

Valid BracketsibmEasy

Strong ElementsimpetusMedium

Valid BracketsibmEasy

Matrix Challengefuture firstHard

Question 1ibmMedium

Evaluating Circuit ExpressionszscalerHard

String ValidationtavantMedium

The Maximum AreacrayondataHard

Searching ChallengehugoEasy

Rubrik Data Durability Window AnalysisrubrikHard

Largest Rectangular MuraldevrevHard

Decode StringzomatoMedium

Special KeyboardzomatoMedium

Valid Parenthesesrahi platform technologiesEasy

Buildings with an Ocean ViewvisaEasy

Largest Rectangle in HistogramvisaHard

Maximal Rectangleplutus researchHard

Lexicographically Smallest String from OperationsamdocsMedium

Array Burst problemgoldman sachs 30octMedium

Chocolate stacknetradyneEasy

Final PricemicrosoftEasy

Total Distinct DifferencesamazonHard

Total Packing EfficiencyamazonHard

Final Prices With a Special Discount in a ShopmicrosoftEasy

Total Packing EfficiencyamazonHard

Code Bracket ValidatororacleEasy

Code Bracket ValidatororacleEasy

Taru and DirectionssEasy

Evaluate Prefix ExpressionibmMedium

Flatten the MountainsalgouniversityHard

Second next greater elementbreeHard

Modify the StringpaytmMedium

Valid BracketsibmEasy

Remove K Characters to Get Smallest StringhashedinMedium

Pipeline Response Time SumtypefaceMedium

Simulate CD CommandvisaEasy

Script Execution with Nested Loops and Overflow DetectionvisaMedium

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