OYO interview experience Real time questions & tips from candidates to crack your interview
SDE - 2
OYO
4 rounds | 4 Coding
problems
Selected Interview preparation journey
Preparation
Duration: 2 months
Topics: DSA, Low Level Design, High Level Design, Python, Projects
Tip 1 : Be good at SDA. Practice around 150(30 easy, 20 hard, 100 medium)
Tip 2 : Try to build solution and explain it well
Tip 3 : know your project very well
Application process
Where: Linkedin
Eligibility: No
Tip 1 : Atleast 2 Good Projects
Tip 2 : 1 Page resume with most relevant sections on the top.
Interview rounds
01
Round
Medium
Video Call
Duration60 Minutes
Interview date21 Feb 2022
Coding problem1
Afternoon.
Virtual round
Interviewer was good.
1. Spiral Order Traversal of a Binary Tree
Easy
20m average time
75% success
0/40
Asked in companies
You have been given a binary tree of 'N' nodes. Print the Spiral Order traversal of this binary tree.
For example
For the given binary tree [1, 2, 3, -1, -1, 4, 5, -1, -1, -1, -1]
1
/ \
2 3
/ \
4 5
Output: 1 3 2 4 5
Problem approach
First fried with queue.
Interviewer waa expecting stack. Able to give him approach.
02
Round
Medium
Video Call
Duration50 Minutes
Interview date22 Feb 2022
Coding problem1
Afternoon
Virtual
Interviewer was helpful.
1. System Design Question
Asked to build class diagram of BookMyShow
Problem approach
Tip 1 : gather the requirements
Tip 2 : speak out loud
Tip 3 : talk about tradeoff
03
Round
Medium
Video Call
Duration50 minutes
Interview date24 Feb 2022
Coding problem1
Afternoon
Virtual
1. System Design Question
Design jwt token like library
Problem approach
Tip 1: be good at design patterns
Tip 2: use design pattern and oops
Tip 3: learn the above principles
04
Round
Medium
Video Call
Duration50 minutes
Interview date24 Feb 2022
Coding problem1
Evening.
Virtual
1. Cycle Detection in a Singly Linked List
Moderate
15m average time
80% success
0/80
Asked in companies
You are given a Singly Linked List of integers. Return true if it has a cycle, else return false.
A cycle occurs when a node's next points back to a previous node in the list.
Example:
In the given linked list, there is a cycle, hence we return true.
Problem approach
First tried with hashmap
Then tried turtle and tortoise approach
Here's your problem of the day 
Solving this problem will increase your chance to get selected in this company
Skill covered: Programming
How do you remove whitespace from the start of a string?
Choose another skill to practice
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