OYO Interview Experience | SDE-2

Round 1:

  1. Water island problem : https://www.geeksforgeeks.org/find-number-of-islands/
    • Space & time complexity
  2. Sorted output from 2 bst : https://www.geeksforgeeks.org/merge-two-bsts-with-limited-extra-space/
  3. Class design for a game of billiards.
  4. Caching methodology
    • LRU caching
    • If 4 GB cache and 4 GB RAM available, what will you use? Why?
  5. Database indexing techniques.
  6. Which SQL will you use? MySQL, PostgreSQL, NoSQL and why?

Round 2:

  1. Fully functional code
  2. Merge sort for the array: https://www.geeksforgeeks.org/merge-sort/
  3. Binary tree zig-zag traversal : https://www.geeksforgeeks.org/zigzag-tree-traversal/

Round 3:

  1. Discussion about projects at current organisation.
  2. Distance b/w 2 nodes in a binary tree: https://www.geeksforgeeks.org/find-distance-between-two-nodes-of-a-binary-tree/
  3. Your API response time suddenly shot up overnight. Discuss debugging and corrective measures
    • Some code was pushed the previous day
    • No code was pushed the previous day

Round 4:

  1. Design promotions for hotels
    • Page ranking basic criteria
    • What parameters will you include?
      • Hotels targetted
      • Users targetted
      • Events targetted
    • Bookings for some group of hotels are less than last week
      • How will you increase the numbers?
      • How will you calculate the revenue/profit metric?




Write your Interview Experience or mail it to contribute@geeksforgeeks.org

My Personal Notes arrow_drop_up

If you like GeeksforGeeks and would like to contribute, you can also write an article using contribute.geeksforgeeks.org or mail your article to contribute@geeksforgeeks.org. See your article appearing on the GeeksforGeeks main page and help other Geeks.

Please Improve this article if you find anything incorrect by clicking on the "Improve Article" button below.


Article Tags :
Practice Tags :


Be the First to upvote.


Please write to us at contribute@geeksforgeeks.org to report any issue with the above content.