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4,310 interview questions, answered.

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

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59 questions

  1. 1Asteroid CollisionMediumCoding· Amazon, Microsoft
  2. 2Koko eating bananas.MediumCoding· Flipkart, Amazon
  3. 3LRU CacheMediumCoding· Adobe, Amazon
  4. 4Merge IntervalsMediumCoding· Blinkit, Docquity Holdings(PBS)
  5. 5Most Stones Removed with Same Row or ColumnMediumCoding· Myntra, Amazon
  6. 6Top k frequent elementsMediumCoding· Amazon, Apple
  7. 7Binary Search Tree to Greater Sum TreeMediumCoding· Amazon
  8. 8Closest DivisorsMediumCoding· Amazon
  9. 9Closest Nodes Queries in a Binary Search TreeMediumCoding· Amazon
  10. 10Count Beautiful Splits in an ArrayMediumCoding· Amazon
  11. 11Cousins in Binary Tree IIMediumCoding· Amazon
  12. 12Daily TemperaturesMediumCoding· Amazon, BitGo
  13. 13Evaluate DivisionMediumCoding· Amazon
  14. 14Evaluate Reverse Polish NotationMediumCoding· Amazon
  15. 15Find the Smallest Divisor Given a ThresholdMediumCoding· Amazon
  16. 16Friend Requests II: Who Has the Most FriendsMediumCoding· Amazon
  17. 17Gas StationMediumCoding· Amazon, Cleartrip
  18. 18Get Equal Substrings Within BudgetMediumCoding· Amazon
  19. 19Insert Delete GetRandom O(1)MediumCoding· Amazon, D. E. Shaw & Co
  20. 20Largest Submatrix With RearrangementsMediumCoding· Amazon
  21. 21Longest Consecutive SequenceMediumCoding· Amazon, Microsoft
  22. 22Maximum Difference Between Node and AncestorMediumCoding· Amazon
  23. 23Maximum Level Sum of a Binary TreeMediumCoding· Amazon
  24. 24Maximum Number of Weeks for Which You Can WorkMediumCoding· Amazon