Flipkart Interview | Set 15 (For SDE-II)

• 1st round (machine coding)
  You are given a catalog of books, which have following attributes.
  • Name
  • Author
  • Publisher
  • Publish year
  • Category
  • Price
  • Count (sold)

  Implement following APIs on top of this catalog

  • addBookToCatalog(Book)
  • searchBook(by partial book name/author)
  • getMostSoldBooks(by author name/category, limit)

  Expectations:

  • Maintain DB on memory
  • Code should be readable. Design, handle naming convention,handle exceptions & should be running.
• 2nd round (code evaluation & discussion)
  1. Discussion on design (interfaces & extension)
  2. Discussion on data structures (trie)
  3. Discussion on sorting
• 3rd round (problem solving)
  1. Head → a → b .. → Tail
     • Every node has a random pointer, pouting to a random node or null.
     • You are given a dice (completely biased – you decide which one you want)

     What is the minimum number of dice tosses required to reach Tail from Head?

     Hint: Problem can be boiled down to snake&ladder problem, where forward pointer is a ladder & backward pointer is a snake.

  2. N people are there.
     • knows(A,B) return true if A knows B, else false.
     • Celebrity: A is called a celebrity
     • If A knows none
     • Everyone knows A

     Get celebrity, with less number of knows() method usage.

  3. Dictionary of words is given
              i.e. [“cat”, “dog”, “rat”, “catratdog”, “catter”]
              Compound word: A word, which can be split into more than 1 valid words
     get compound word, with longest string length.
• 4th round (Design)
  Design notification system (notify the customer with a message)
  • Client (delivery boy, company updates etc)
  • Services (Email, SMS, Watsapp)
  • Scaling up, fault tolerance & failure management
  • Flexible modifiability of clients & services
• 5th round(Senior Manager)
  1. His info & organization profile
  2. My intro
  3. Exciting tasks that did at the job? – Discussion technically
  4. Strengths & weaknesses
  5. Feedback to the manager, how an ideal manager should be?
  6. Why Flipkart?
• 6th round (HR – casual)
  1. How is the day, how are the interviews?
  2. Any offers?
  3. Compensation expected?

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All Practice Problems for Flipkart !

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