Amazon loop prep

OfficialAmazonby Frontier Interview

The loop in order: the OA, the coding screen, coding and object-oriented design, system design, then the project deep dive and Leadership Principles.

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  1. Reversi move simulation with captures in 8 directions
    CodingReference answer: Frontier Interview's solution
  2. Single-direction stock rebalancing on a ring
    CodingReference answer: Frontier Interview's solution
  3. Fewest global replacements to group equal values
    CodingReference answer: Frontier Interview's solution
  4. Temporal key-value store with point-in-time reads and restore
    CodingReference answer: Frontier Interview's solution
  5. Implement an LRU cache
    CodingReference answer: Frontier Interview's solution
  6. Unix find command with pluggable filters
    CodingReference answer: Frontier Interview's solution
  7. Lowest common manager in an org chart
    CodingReference answer: Frontier Interview's solution
  8. Word search with a word search II follow-up
    CodingReference answer: Frontier Interview's solution
  9. Merge ordered streams
    CodingReference answer: Frontier Interview's solution
  10. Oldest one-time visitor in a login stream
    CodingReference answer: Frontier Interview's solution
  11. Design a parking lot
    OO designReference answer: Frontier Interview's solution
  12. Design Uber
    System designReference answer: Frontier Interview's solution
  13. Design a rate limiter
    System designReference answer: Anonymous engineer's solution
  14. Design Amazon Locker
    System designReference answer: Frontier Interview's solution
  15. Design a distributed key-value store
    System designReference answer: Frontier Interview's solution
  16. Project deep dive: present a project you led
    BehavioralReference answer: Frontier Interview's solution
  17. How do you use AI in your work?
    BehavioralReference answer: Frontier Interview's solution