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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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89 questions

  1. 25Detonate the Maximum BombsMediumCoding· Google
  2. 26DPCoding· Amazon, Goldman Sachs
  3. 27Dungeon GameHardCoding· Google
  4. 28Dynamic interval Data StructureCoding· Google
  5. 29Evaluate Mathematical ExpressionsCoding· Google
  6. 30Find Three Consecutive Integers That Sum to a Given NumberMediumCoding· Google
  7. 31GraphCoding· Google, Infosys
  8. 32Graph ProblemCoding· Google
  9. 33Graph RelatedCoding· Google
  10. 34Heap-based hard problemCoding· Google
  11. 35Longest path in an undirected graphCoding· Google
  12. 36Matrix Target SearchCoding· Google
  13. 37Matrix Traversal Problem with Weighted PathsCoding· Google
  14. 38Merge Strings AlternatelyEasyCoding· Google
  15. 39Minimum Number of Strokes NeededCoding· Google
  16. 40Network Connectivity TimestampCoding· Google
  17. 41Palindromic PairCoding· Google
  18. 42Print all subsequences/Power SetCoding· Google
  19. 43Priority queueCoding· Google
  20. 44Product of the Last K NumbersMediumCoding· Google
  21. 45Richest Customer WealthEasyCoding· Google
  22. 46Segment treesCoding· Google
  23. 47StackCoding· Google
  24. 48StreamsCoding· Google