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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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455 questions

  1. 1Assign CookiesCoding· Amazon
  2. 2Asteroid CollisionMediumCoding· Amazon, Microsoft
  3. 3Better Compression of StringCoding· Adobe, Amazon
  4. 4Buy FlowersCoding· Amazon
  5. 5Change Case of Each Character in a StringCoding· Amazon
  6. 6Coin PathCoding· Amazon, PhonePe
  7. 7Connecting Cities With Minimum CostCoding· Amazon
  8. 8Count subarrays with given sumCoding· Amazon, Meta
  9. 9Digit Count in RangeCoding· Amazon
  10. 10Distinct subsequencesCoding· Amazon, Microsoft
  11. 11Factor CombinationsCoding· Amazon
  12. 12Find Non-Repeating Characters in a StringCoding· Amazon, Atlassian
  13. 13Find peak elementCoding· Amazon
  14. 14Frog JumpCoding· Amazon, Apple
  15. 15Longest substring without repeating charactersAI ML· Amazon, Meesho
  16. 16Graph Valid TreeCoding· Amazon
  17. 17Implement Min StackCoding· Amazon, BloomBerg
  18. 18Insertion SortingCoding· Amazon
  19. 19Koko eating bananas.MediumCoding· Flipkart, Amazon
  20. 20Letter Combinations of a Phone NumberCoding· Amazon, Flexport
  21. 21Lowest Common Ancestor of a Binary Tree IICoding· Amazon
  22. 22Lowest Common Ancestor of a Binary Tree IIICoding· Amazon, Linkedin
  23. 23LRU CacheMediumCoding· Adobe, Amazon
  24. 24Majority Element-ICoding· Amazon, MakeMyTrip