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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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1,063 questions

  1. 457Heap-based hard problemCoding· Google
  2. 458Hollow Square PatternCoding· RRateGain
  3. 459Hourglass PatternCoding· RRateGain
  4. 460House robberCoding· Pluang
  5. 461House RobberCoding· Amazon
  6. 462House Robber IIMediumCoding· Acko
  7. 463House Robber problem (something like this)Coding· Amazon
  8. 464How the File system works when we start to write to a FileCoding· Nutanix
  9. 465Implement a Trie and support prefix search + deleteCoding· Boston Consulting Group
  10. 466Implement Queue using StackCoding· InfoEdge India Ltd, Pop Club
  11. 467Implement Stack Using ArrayCoding· Truemeds
  12. 468Increasing Triplet SubsequenceMediumCoding· MakeMyTrip, Nutanix
  13. 469Insert Delete GetRandom O(1)Coding· Meta
  14. 470Insert Delete GetRandom O(1)MediumCoding· Amazon, D. E. Shaw & Co
  15. 471Insert Delete GetRandom O(1) - Duplicates allowedHardCoding· Microsoft
  16. 472Integer to RomanCoding· Meesho
  17. 473Interleaving StringMediumCoding· Zeta
  18. 474Intersection of Two ListsCoding· Zoho
  19. 475Island PerimeterEasyCoding· JTJosh Technology Group
  20. 476K-th Largest Perfect Subtree Size in Binary TreeMediumCoding· Informatica
  21. 477Kth Largest Element in an ArrayCoding· Myntra
  22. 478Kth Largest Element in an Unsorted ArrayCoding· Meesho
  23. 479Kth Largest Sum in a Binary TreeMediumCoding· FactSet Research Systems Inc.
  24. 480Kth Maximum ElementCoding· CCognitree, WheelsEye