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OYO Rooms Interview Experience (Virtual 2021)

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  • Difficulty Level : Hard
  • Last Updated : 16 Nov, 2020
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Oyo Rooms visited our campus for recruitment to join as Software Developer Engineer. Due to the COVID-19 pandemic, the entire process happened virtually through Google Meet.

CG Cut – 7.00

Round 1 Online Test: Through Hackerearth Platform, 20 MCQ were asked based on O.S, DBMS, and Data Structure and  Algorithm.

And 2 coding questions were asked

  1. Print all possible words from phone digits

Around 47 were shortlisted and 25 were shortlisted on the waiting list. (Total 72)

Round 2 Interview 1: 2 coding questions were asked, and I was told to write the code for the same. Also, there was a detailed discussion on time and space complexity

  1. Write a program to print all permutations of a given string.
  2. Print all nodes at distance k from a given node

The interview was very calm and helpful. I was able to solve both questions and I explained different approaches to solve the question.

Round 3 Interview 2: In this round questions were asked.

Operating Systems:

  1. Thread in Operating System
  2. Paging in Operating System
  3. Paging in Operating System

Database Management Systems:

  1. Indexing in Databases

4 Coding Questions:

  1. Minimum number of swaps required to sort an array.
  2. Merge two BSTs with limited extra space.
  3. Merge two sorted arrays.
  4. Find four elements that sum to a given value.

And I was asked to code for 4th question. After that, I was networking questions like

  1. Differences between TCP and UDP
  2. Examples of Data Link Layer Protocols

I was able to answer all the questions and interview was impressed by my performance.

At last, they selected 18 students as intern+FTE. I was one of them. After failing various companies’ test I was able to make it.

My Personal Notes arrow_drop_up
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