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Crio.Do Product Engineer Interview Questions and Answers
Crio.Do Product Engineer Interview Experiences
1 interview found
Anonymous
Selected
I applied via Approached by Company and was interviewed in Apr 2024. There was 1 interview round.
(2 Questions)
- Q1. What is a stack
- Ans.
A stack is a data structure that follows the Last In, First Out (LIFO) principle.
Elements are added and removed from the top of the stack.
Common operations include push (add element) and pop (remove element).
Examples of stacks include the call stack in programming and the undo feature in text editors.
- Q2. What is a queue
- Ans.
A queue is a data structure that follows the First In First Out (FIFO) principle, where elements are added at the rear and removed from the front.
Elements are added to the rear of the queue and removed from the front
Common operations include enqueue (add to rear) and dequeue (remove from front)
Examples of queues include waiting lines at a grocery store or a printer queue
Interview Preparation Tips
Skills evaluated in this interview
Interview questions from similar companies
I appeared for an interview before Sep 2020.
(1 Question)
Round duration - 120 minutes
Round difficulty - Easy
It was a mix of mathematical aptitude, logical ability, and puzzles along with 2 programming questions of easy and medium level. Time was enough and no sectional time was present. 1-2 MCQs on SQL were also present.
This round was immediately followed by an SHL aptitude test which was basically a quick limited time check of your verbal ability and math because many questions were to be done in 1 hour.
- Q1.
Boolean Matrix Transformation Challenge
Given a 2-dimensional boolean matrix
matof size N x M, your task is to modify the matrix such that if any element is 1, set its entire row and column to 1. Specifi... - Ans.
Modify a boolean matrix such that if any element is 1, set its entire row and column to 1.
Iterate through the matrix and mark rows and columns to be modified
Use additional arrays to keep track of rows and columns to be modified
Update the matrix in-place based on the marked rows and columns
Round duration - 60 minutes
Round difficulty - Easy
It was an online video interview round on HackerEarth with simultaneous code option. It was mostly justifying your resume in the first 15 minutes. After that OOPS was majorly asked. Basics of programming including questions on STL were asked. A class which required inheritance was asked by the interviewer to write. I was helped by the interviewer if i got stuck somewhere, Some questions on implementation of hashmaps and priority queues were also asked. A puzzle was asked which luckily struct to me at that moment.
Interview Preparation Tips
Tip 1 : Never give up
Tip 2 : When u start a topic, don't move on to next topic before you are 100% confident in previous topic
Tip 3 : Try to give maximum time on basics of a topic especially OOPS
Tip 4 - Practice Atleast 250 Questions
Tip 5 - Ex- Do atleast 2 projects
Tip 1 : Write only those things in resume in which you are 100% confident
Tip 2 : Write maximum projects you have and be ready to explain them thoroughly
Tip 3 : Don't make any silly spelling mistakes on resume
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in May 2021. There were 3 interview rounds.
Interview Questionnaire
1 Question
- Q1. They ask about how you handle the pressure and why toppr. Are you really think to complete target on this sector.
Interview Preparation Tips
Selected
I applied via Referral and was interviewed in May 2023. There were 3 interview rounds.
(1 Question)
- Q1. Subject knowledge
(1 Question)
- Q1. Salary negotiation
Srijana Gupta
Coding test around front end using react
Selected
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
(3 Questions)
- Q1. Basics of js and react
- Q2. What are closures and give an example
- Ans.
Closures are functions that have access to variables from their outer scope even after the outer function has finished executing.
Closures are created when a function is defined within another function and has access to the outer function's variables.
They can access variables from the outer function even after the outer function has returned.
Closures are commonly used in event handlers and callbacks in JavaScript.
- Q3. What is event loop and features of es5
- Ans.
Event loop is a mechanism that allows JavaScript to perform non-blocking operations by handling asynchronous events.
Event loop is responsible for executing code, collecting and processing events, and executing queued sub-tasks.
ES5 features include strict mode, JSON object, Array methods like forEach, map, filter, and reduce, and Object.create method.
ES5 also introduced new methods for manipulating strings, such as trim
(1 Question)
- Q1. General management round and past experience
Skills evaluated in this interview
Basic aptitude questions
Linked list, array, tree and graph questions
Interview Preparation Tips
Sayani Chakraborty
Good, short and concise
(1 Question)
- Q1. Why do you want to join
- Ans.
I am passionate about the industry and believe in the company's mission and values.
Passionate about the industry
Believe in the company's mission and values
Selected
I applied via Referral and was interviewed before Sep 2023. There were 4 interview rounds.
Two Medium DSA problem to solve
(1 Question)
- Q1. Design scalable Streaming pipeline and
- Ans.
Design a scalable streaming pipeline for processing large volumes of data.
Use a distributed streaming framework like Apache Kafka or Apache Flink for real-time data processing.
Implement data partitioning and parallel processing to handle high data throughput.
Utilize cloud services like AWS Kinesis or Google Cloud Pub/Sub for scalability and reliability.
Include fault tolerance mechanisms like checkpointing and data repl...
(1 Question)
- Q1. LLD round , write classes and its methods
(1 Question)
- Q1. Salary and benefits discussion
Skills evaluated in this interview
I applied via Naukri.com and was interviewed in Dec 2024. There was 1 interview round.
Two dynamic programming challenges at the hard level on LeetCode and 10 medium-level SQL challenge.
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Crio.Do Product Engineer Interview Process
based on 1 interview
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