Skip to content
Related Articles

Related Articles

Improve Article

OYO Rooms Interview Experience | Set 6 (For Senior Software Developer)

  • Difficulty Level : Medium
  • Last Updated : 11 Jun, 2019

First Round: (Written)

  1. Maximum sum of non-contiguous elements in array
    Input : 1 12 5 4 13
    Output: 25
  2. Given an array of integers, find a combination of four elements in the array whose sum is equal to a given value X.
    Input Array : 1 5 1 0 6 0
    Input Sum: 7
    Output : 1 (1 if present, else 0)

Second : (F2F)

  1. Discussion of above two questions.
  2. If a doubly linked list has pointers in the form of integers that represesnts memory location, and we want to manage only one reference for both prev and next node, how will the list be traversed.
  3. Rotate right a binary tree

Third : (F2F)

  1. Diameter of a binary tree
  2. How DNS lookup works
  3. SQL Query with 3 tables : Student, Class, Test
    Input : Student : SID, CID, Name
        Class : CID, Cname
        Test : TestId, WeekId, SID, Marks 

    Write a query to print average marks classwise for each week

    Output Example :

       ClassName, WeekId, Avg_Marks
       Tenth, 1, 33
       Eleventh, 1, 34
       Tenth, 2, 45
       Eleventh, 2, 21 

    Solution : select (select Cname from Class where CID = S.CID)ClassName, T.WeekId, AVG(T.Marks)
    from Test T LEFT_JOIN Student S on T.SID=S.SID
    group by ClassName, T.WeekId

  4. Design a Ludo/Snake&Ladders

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

Please write comments if you find anything incorrect, or you want to share more information about the topic discussed above

Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready. To complete your preparation from learning a language to DS Algo and many more, please refer Complete Interview Preparation Course. In case you are prepared, test your skills using TCS, Wipro, Amazon and Microsoft Test Serieses.

My Personal Notes arrow_drop_up
Recommended Articles
Page :