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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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190 questions

  1. 25Two SumEasyCoding· Adobe, Pluang
  2. 26What does temperature control, and when would you set it near zero?Easy· 5 min
  3. 27What is a context window, and what breaks when you exceed it?Easy· 5 min
  4. 28What is a tokenizer, and why does token count drive cost and context limits?Easy· 5 min
  5. 29What is an embedding, and what does semantic similarity mean in retrieval?Easy· 5 min
  6. 30When is accuracy a misleading metric?EasyAI ML· 5 min
  7. 31Apply Operations to an ArrayEasyCoding· Amazon
  8. 32Check if Grid Satisfies ConditionsEasyCoding· Goldman Sachs
  9. 33Count Binary SubstringsEasyCoding· Oracle
  10. 34Count of Matches in TournamentEasyCoding· NNielsen
  11. 35Find Pivot IndexEasyCoding· Microsoft
  12. 36First Unique Character in a StringEasyCoding· Amazon
  13. 37Fizz BuzzEasyCoding· Amazon
  14. 38Greatest Common Divisor of StringsEasyCoding· Media.net
  15. 39Island PerimeterEasyCoding· JTJosh Technology Group
  16. 40Linked List CycleEasyCoding· CCognitree
  17. 41Maximum Depth of Binary TreeEasyCoding· Blinkit, Infosys
  18. 42Merge Strings AlternatelyEasyCoding· Google
  19. 43Missing NumberEasyCoding· Swiggy, Zomato
  20. 44Move ZeroesEasyCoding· Truemeds
  21. 45N-th Tribonacci NumberEasyCoding· RRateGain
  22. 46Remove All Adjacent Duplicates In StringEasyCoding· Swiggy
  23. 47Remove ElementEasyCoding· InfoEdge India Ltd
  24. 48Remove Linked List ElementsEasyCoding· Amazon