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4,310 interview questions, answered.

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18 questions

  1. 1LRU CacheMediumCoding· Adobe, Amazon
  2. 2Longest Increasing SubsequenceMediumCodingAI ML· Atlassian, Meta
  3. 3Product of Array Except SelfMediumCoding· PayPal, Target
  4. 4Valid SudokuMediumCoding· PayPal
  5. 5Given a castle with rooms named after flowers where each room has an instruction to the next room, write an algorithm to find the rooms containing treasure.MediumCoding· PayPal
  6. 6How does PayPal generate its revenue?MediumProduct· PayPal
  7. 7What are the key metrics you track for the product you currently manage?MediumDataProduct· Adobe, PayPal
  8. 8Find the longest substring without repeating characters.MediumCoding· Apple, Intuit
  9. 9Tell me about a time when you received negative feedback and how you handled it.MediumBehavioral· Amazon, American Express
  10. 10Squares of sorted arrayMediumCoding· Meta, PayPal
  11. 11You're a PM for Uber Eats. Cart conversation has dropped by 10% in the last 3 months. How would you find the root cause?MediumDataProduct· PayPal
  12. 12Tell me about a user need that is not being met by the market. How would you validate a solution for it?MediumBehavioralProduct· PayPal
  13. 13Why did PayPal acquire Honey?Medium· PayPal
  14. 14Given stock prices for the next n days, how can you maximize your profit by buying or selling one share per day?MediumCoding· Adobe, Apple
  15. 15How would you improve Venmo? What features would you build and why?MediumProduct· PayPal
  16. 16Given an nxn grid of 1s and 0s, return the number of islands in the input.MediumCoding· Adobe, Amazon
  17. 17Why might Venmo be seeing a decrease in users adding their bank accounts?MediumDataProduct· PayPal
  18. 18Why work at PayPal?MediumBehavioral· PayPal