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. 625Coin change IICoding· Google
  2. 626Coin Change ProblemCoding· Oracle
  3. 627Compare two linked lists of stringsCoding· Meta
  4. 628Compare two linked lists where each node contains a character array.Coding· Meta
  5. 629Compare two product titles and generate a comprehensive list of required changes for catalog synchronizationCoding· Amazon
  6. 630Compare Version NumbersMediumCoding· Adobe
  7. 631Competitive Programming RelatedCoding· ClearFeed
  8. 632Contain VirusHardCoding· Flipkart
  9. 633Container With Most WaterMediumCoding· Oracle, Paytm
  10. 634Contains any DuplicatesCoding· Goldman Sachs
  11. 635Content Popularity SystemCoding· Atlassian
  12. 636Convert a sorted linked list to a balanced BSTCoding· Apple
  13. 637Copy List with Random PointerCoding· PolicyBazaar
  14. 638Count Beautiful Splits in an ArrayMediumCoding· Amazon
  15. 639Count Binary SubstringsEasyCoding· Oracle
  16. 640Count Distinct SubstringsCoding· Expedia
  17. 641Count frequency of each character in the input stringCoding· SBS
  18. 642Count Good MealsMediumCoding· Swiggy
  19. 643Count of Matches in TournamentEasyCoding· NNielsen
  20. 644Count of subarrays forming an APCoding· FactSet Research Systems Inc.
  21. 645Count Strictly Increasing SubarraysCoding· Ebay
  22. 646Count Sub IslandsCoding· Freshwoks
  23. 647Count Subarrays Where Max Element Appears at Least K TimesMediumCoding· Meta
  24. 648Count Subarrays With Fixed BoundsHardCoding· Uber