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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. 337Decode StringsCoding· Google
  2. 338Decode WaysMediumCoding· UrbanCompany
  3. 339Decode Ways iiCoding· Amazon
  4. 340Delete Node in a Linked List O(1)Coding· Amazon
  5. 341Deleting a Node from BST with Two ChildrenCoding· Zomato
  6. 342Design a Min Stack with O(1) getMinCoding· Boston Consulting Group
  7. 343Design a scalable stock trading platform that can handle heavy traffic without system downtimeCoding· Amazon
  8. 344Design Airbnb databaseCoding· HHashedIn
  9. 345Design Distributive Storage system that gives High throughput given n node with x latency per each node and y throughput for eachCoding· Nutanix
  10. 346Design In-Memory File SystemHardCoding· Amazon
  11. 347Design Video Sharing PlatformHardCoding· Microsoft
  12. 348Designing in-Memory file systemCoding· Amazon
  13. 349Detect a cycle in a linked listCoding· PharmEasy
  14. 350Detect and Print Cycle in a Linked ListCoding· DHDocquity Holdings(PBS)
  15. 351Detect Cycle in Linked ListCoding· AutoDesk
  16. 352Detect Cycle Length in a Linked ListCoding· Goldman Sachs
  17. 353Determine if Two Strings Are CloseMediumCoding· PhonePe
  18. 354Detonate the Maximum BombsMediumCoding· Google
  19. 355DFSCoding· Flipkart, Juspay
  20. 356DFS BasedCoding· Visa
  21. 357Diameter of N-ary TreeCoding· Amazon
  22. 358Disjoint Set UnionCoding· Juspay
  23. 359Divide and Conquer basedCoding· Samsara
  24. 360DPCoding· Amazon, Goldman Sachs