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.

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164 questions

  1. 97Maximum Sum Linked List from Two Sorted Linked ListsCoding· Amazon
  2. 98Maximum Width of a Binary TreeCoding· Amazon
  3. 99Minimize the Maximum Difference of PairsMediumCoding· Amazon
  4. 100Minimum Sum of Mountain Triplets IIMediumCoding· Amazon
  5. 101Modified coin-change problem with constraints on valid coin combination patternsCoding· Amazon
  6. 102Next Greater ElementCoding· Amazon
  7. 103Palindrome partitioning IICoding· Amazon, Microsoft
  8. 104Partition ListMediumCoding· Amazon
  9. 105Paths in Matrix Whose Sum Is Divisible by KHardCoding· Amazon
  10. 106Product of Array Except SelfMediumCoding· PayPal, Target
  11. 107Remove Duplicates from Sorted Array IIMediumCoding· Amazon
  12. 108Remove Linked List ElementsEasyCoding· Amazon
  13. 109Reorganizing Linked ListsCoding· Amazon
  14. 110Replace Non-Coprime Numbers in ArrayHardCoding· Amazon
  15. 111Reschedule Meetings for Maximum Free Time IMediumCoding· Amazon
  16. 112Sequentially Ordinal Rank TrackerHardCoding· Amazon
  17. 113Shortest path between two spots on a chessboard (with obstacles)Coding· Amazon
  18. 114String ManipulationCoding· Amazon
  19. 115Strong Password CheckerHardCoding· Amazon
  20. 116Subarray Sum Equals KMediumCoding· Amazon
  21. 117Subarray Sums Divisible by KMediumCoding· Amazon
  22. 118Task SchedulerCoding· Amazon
  23. 119Text JustificationHardCoding· Amazon
  24. 120Trapping Rain WaterCoding· Amazon