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I applied via Campus Placement and was interviewed in Apr 2024. There was 1 interview round.
Via placement got this oppurtunity asked base questions
Coding test on java for factorial all ways
Database qstns
I applied via Referral and was interviewed before Apr 2022. There were 3 interview rounds.
I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.
First round was coding test in online platform with 5 questions
Setting up a server in Express JS involves creating an instance of the Express application and defining routes.
Create an instance of the Express application using the 'express' module
Define routes using the 'app.get', 'app.post', etc. methods
Listen for incoming requests using the 'app.listen' method
Configure middleware using the 'app.use' method
Handle errors using the 'app.use' method with an error handling middleware
Explaining join table query and providing an example of joining 2 tables.
Join table query is used to combine data from two or more tables based on a related column between them.
Types of join include inner join, left join, right join, and full outer join.
Example: SELECT * FROM table1 INNER JOIN table2 ON table1.column = table2.column;
What people are saying about BYJU'S
I was interviewed in Dec 2020.
Round duration - 135 minutes
Round difficulty - Easy
There was no sectional time limit for the coding questions.The test was online with audio and video both on for continuous monitoring.
Find the N-th term of a Geometric Progression (GP) series given the first term A, the common ratio R, and the term position N.
The general form of a GP se...
Calculate the N-th term of a Geometric Progression series given the first term, common ratio, and term position.
Use the formula A * R^(N-1) to find the N-th term of the GP series.
Remember to return the result modulo 10^9 + 7 as the term can be very large.
Handle multiple test cases efficiently by iterating through each case.
For a given M x N sized 2D array 'MATRIX', find and return the value of (i * i + j * j) for elements where the sum of the cubes of its digits equals the element itself. Her...
Find and return the value of (i * i + j * j) for elements in a 2D array where the sum of the cubes of its digits equals the element itself.
Iterate through the 2D array and check if the sum of the cubes of digits equals the element itself.
Calculate (i * i + j * j) for elements that satisfy the condition.
Return the calculated values as a new 2D array.
If no element satisfies the condition, return -1.
Round duration - 40 minutes
Round difficulty - Easy
The interviewer was very calm and listened very carefully to the solutions. There was a lot of discussion on my projects and the interviewer seems to be very interested in knowing about the workflows of my projects.They also give me some coding questions which were related to problem solving also.
You are given a string 'S' of length 'N' which may include duplicate alphabets. Your goal is to calculate the number of distinct subsequences in the string.
Calculate the number of distinct subsequences in a string with possible duplicates.
Use dynamic programming to keep track of the count of distinct subsequences for each character in the string.
Consider the cases where the current character is included or excluded in the subsequence.
Handle duplicates by using a hashmap to store the last occurrence index of each character.
Modulo the final count by 10^9 + 7 to avoid overfl
You are given a singly Linked List with 'N' nodes containing integer data and an integer 'K'. Your task is to delete the Kth node from the end of this Lin...
Remove the Kth node from the end of a singly linked list given the position from the end to be removed.
Traverse the list to find the length 'N' of the linked list.
Calculate the position from the beginning to be removed as 'N - K + 1'.
Delete the node at the calculated position from the beginning.
Identify and output the common strings present in both given arrays of lowercase alphabets for each test case.
The first line contains an integer 'T' representin...
The task is to find common strings in two arrays of lowercase alphabets for each test case.
Iterate through the elements of the second array and check if they are present in the first array.
Use a hash set to store the strings of the first array for efficient lookup.
Return the common strings in the order they appear in the second array.
Tip 1 : If you have time for your interviews, I would recommend going through Leetcode as it has a good variety of questions sorted on topic wise difficulty level where you can try to solve at least 20-30 questions for each data structure and algorithm. Moreover, you should regularly participate in the weekly contests happening there so that you could know about your weak areas to improve.
Tip 2 : Practice DSA everyday and make sure that you are giving timed mock tests periodically.
Tip 3 : Keep revising your Computer Science fundamentals(OS, DBMS, Software Engineering principles).
Tip 4 : Also brush-up your aptitude skills.
Tip 1 : The most important tip is that never lie on your resume and like If you have worked upon some technology for the project part only and don't know the proper depth you could write basics only in your resume.
Tip 2 : Customize your resume for a company based on their Job Description (highlight necessary skills)
Tip 3 : Include only those points about which you're fully confident. Sometimes including too much increases expectations and then the bar is set high for you which impacts the assessment
Tip 4 : Don't put anything in resume that you are not sure of.
Tip 5 : if you don't have any internship experience then you can show your good technical projects and certifications too.
I was interviewed in Jan 2021.
Round duration - 70 minutes
Round difficulty - Easy
We're provided with 60 minutes.
We're provided with desktop as it was online test.
Determine if a given year, represented as an integer 'N', is a leap year.
A leap year is defined as a year with 366 days, unlike a normal year which has 365 days.
The initial i...
The task is to determine if a given year is a leap year or not.
Check if the year is divisible by 4, if yes then proceed to next step
If the year is divisible by 100, then it should also be divisible by 400 to be a leap year
If the year satisfies both conditions, output 'Yes', else output 'No'
Round duration - 25 minutes
Round difficulty - Easy
They basically ask questions related to operating system
Round duration - 15 minutes
Round difficulty - Easy
There were 2 interviewers who talked to me and ask different questions regarding my company, my experience in college etc.
It was kind of chit chat but basically they were testing my conversation skills.
Tip 1 : Try to give mock interview as much as you can
Tip 2 : Good with technical skills
Tip 1 : Mention good projects
Tip 2 : Any internship will be add-on
I was interviewed before Sep 2020.
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.
Given a 2-dimensional boolean matrix mat
of 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...
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.
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
I applied via LinkedIn and was interviewed before Sep 2021. There were 3 interview rounds.
I applied via Naukri.com and was interviewed before Jul 2022. There were 3 interview rounds.
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.
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
SDLC lifecycle involves planning, designing, developing, testing, deploying, and maintaining software components and architecture.
SDLC (Software Development Life Cycle) includes phases like planning, designing, coding, testing, and maintenance.
Components are designed, developed, tested, and integrated into the overall architecture.
Architecture involves defining the structure, behavior, and interactions of software comp...
Basic aptitude questions
Linked list, array, tree and graph questions
based on 3 interviews
Interview experience
based on 16 reviews
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