Question bank

4,310 interview questions, answered.

Reference answers, what the interviewer is really testing, how it is graded, and the follow-ups that come next.

Easy 190Medium 2,498Hard 982
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4,310 questions

  1. 1057Super StreakCoding· Google
  2. 1058Surrounded Regions (standard question)Coding· Samsung
  3. 1059Swapping Nodes in a Linked ListMediumCoding· ServiceNow
  4. 1060Tag ValidatorHardCoding· Microsoft
  5. 1061Target sumCoding· Google
  6. 1062Task SchedulerCoding· Amazon
  7. 1063Text JustificationHardCoding· Amazon
  8. 1064The k-th Lexicographical String of All Happy Strings of Length nMediumCoding· TSTechMojo Solutions
  9. 1065The Number of Users That Are Eligible for DiscountEasyCoding· InfoEdge India Ltd
  10. 1066The Skyline ProblemHardCoding· Microsoft, Zomato
  11. 1067Top and Bottom viewCoding· Paytm
  12. 1068Top K Active UsersCoding· HubSpot
  13. 1069Trapping Rain WaterCoding· Amazon
  14. 1070Trapping Rain Water IIHardCoding· Twilio
  15. 1071Traveling Salesman ProblemCoding· Apple
  16. 1072Travelling Salesman ProblemCoding· UKG
  17. 1073TreeCoding· AAugnito, Expedia
  18. 1074Tree-BasedCoding· Juspay, Meesho
  19. 1075Tree Based ProblemCoding· SStashfin
  20. 1076Tree Game ProblemCoding· Walmart
  21. 1077Tree Node Stones – Make Adjacent Difference Exactly 1Coding· Zomato
  22. 1078Tree Problem TraversalCoding· Google
  23. 1079Tree traversal, BFSCoding· Amazon
  24. 1080TreesCoding· Amazon, Infosys