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Oyo Rooms Interview Experience | SDE-Full Time

  • Difficulty Level : Medium
  • Last Updated : 06 Jan, 2020

Oyo Rooms Visited our Campus for Both Full time and Interns.

Round 1:

    This was online test conducted on hackerearth with 10 mcqs from os, dbms, ds & algos, cn And 2 programing questions .The duration of test was 1.5 hrs.

  1.  Given d, a, b and an array of integers.You can add/subtract a or b to d any number of times. You are supposed to find the count of numbers in the array which can be formed by applying these operations to d.
  2. Write a program to check whether given string of parenthesis is balanced or not.
    Solution: GeeksforGeeks Link

    Solving even 1 programming ques is enough .44 students were shortlisted from nearly 150 students.

Round 2:

    This was F2F round.the inteviewer was very polite and friendly.The discussion started with introduction and discussion on resume and projects .He asked two programming questions.

  1. Given a rotated array find the pivot point . Its time and space complexity
    Solution: GeeksforGeeks Link
  2. How to optimally join the given set of wires to form a full wire.The cost of a join is sum of length of the wires being joined. Its time and space complexity.
    Solution: GeeksforGeeks Link

Round 3:This was also a F2F round.

    the questions on os like process vs threads, scheduling algorithms.ACID properties.Sql queries. and project discussion.

    Again two programming ques were asked

  1. Lowest Common Ancestor
    Solution: GeeksforGeeks Link
  2. Sum of predecessor and succesor in a tree in inorder manner.
    Solution: GeeksforGeeks Link

Round 4:In this Round only one question was asked .

  1. How to store  a set of strings with anagrams according the count of frequency of occurrence.

The programming questions can be found easily on geeksforgeeks .Finally 19 students were selected.

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. GoogleE-Litmus and Microsoft Test Serieses.

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