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I applied via LinkedIn and was interviewed in Jun 2024. There was 1 interview round.
Closures are functions that have access to their own scope, as well as the scope in which they were defined.
Closures allow functions to access variables from their outer function even after the outer function has finished executing.
They are commonly used to create private variables in JavaScript.
Closures can be used to create functions that 'remember' their lexical environment.
An abstract class is a class that cannot be instantiated and is used as a base class for other classes to inherit from.
Cannot be instantiated on its own
May contain abstract methods that must be implemented by subclasses
Can have both abstract and non-abstract methods
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I haven't appeared but this website asking me everytime that's why giving review but I wanted to know what are the ratings for this company
posted on 15 Sep 2021
I was interviewed in Dec 2020.
Round duration - 90 minutes
Round difficulty - Medium
Total of 8 questions:
4 MCQ(oops and expected output type questions) + other 2 were coding questions, out of which one is some class implementation question.
Given an array ARR
and an integer K
, your task is to count all subarrays whose sum is divisible by the given integer K
.
The first line of input contains an...
Count subarrays with sum divisible by K in an array.
Iterate through the array and keep track of the running sum modulo K.
Use a hashmap to store the frequency of remainders.
For each prefix sum, check how many previous prefix sums have the same remainder.
Return the total count of subarrays with sum divisible by K.
Round duration - 60 minutes
Round difficulty - Easy
This round was with the USA team, the panel consisted of 2 members. It took place at around 9 PM IST. The interviewer's focus was on approach.
You are given an unsorted array ARR
. Your task is to sort it so that it forms a wave-like array.
The first line contains an integer 'T', the number of test cases.
For ea...
Sort an array in a wave-like pattern where each element is greater than or equal to its adjacent elements.
Iterate through the array and swap elements at even indices with their adjacent odd indices to form a wave pattern.
There can be multiple valid wave arrays, so any valid wave array is acceptable.
Ensure the first element is greater than or equal to the second element to start the wave pattern.
Given an integer number num
, your task is to convert 'num' into its corresponding word representation.
The first line of input contains an integer ‘T’ denoting the number o...
Convert a given integer number into its corresponding word representation.
Implement a function that takes an integer as input and returns the word representation of that number.
Break down the number into its individual digits and convert each digit into its word form.
Handle special cases like numbers between 10 and 19, and multiples of 10.
Combine the word forms of individual digits to form the final word representation
Round duration - 40 minutes
Round difficulty - Easy
It was a managerial round. The position of the person taking the interview was of a technical architect. As was informed by the recruiter, previously he was a technical architect at Amazon.
Facebook stores comments in its database using a combination of relational and non-relational databases.
Comments are typically stored in a relational database like MySQL for structured data storage.
For scalability and performance, Facebook may also use a NoSQL database like Cassandra or HBase for storing comments in a denormalized format.
Metadata related to comments such as likes, timestamps, and user information may b...
Tip 1 : Practice the most frequent and most common questions DSA questions asked in companies like Amazon, Microsoft.
Tip 2 : Focus on solving the questions on your own as much as you can.
Tip 3 : Don't waste your time on the number of questions while compromising quality.
Tip 4 : Do mock interviews with your friend if it's been a long since you have given the interview.
Tip 5 : For virtual interviews, always have a backup of data(you may use mobile data if Wi-Fi goes out). While during an interview try to maintain eye contact every now and then.
Tip 6 : Keep your resume short to 1 page and have far/good knowledge of the tech stack you have mentioned
Tip 1 : Keep it short to 1 page
Tip 2 : Prepare it well.
Tip 3 : Focus more on the problem and the solution. Rather than tools used to solve the problem
I was interviewed in May 2024.
It was having english and maths questions
Code was easy kindly do pratice
posted on 31 May 2022
I was interviewed in Apr 2022.
Round duration - 75 minutes
Round difficulty - Medium
Test Comprises of 3 coding questions and some MCQs
Round duration - 60 minutes
Round difficulty - Medium
2 coding questions of (1 easy and 1 medium level) on hackerrank code-pair with the Interviewer
Round duration - 60 minutes
Round difficulty - Easy
This Round was based on CS fundamentals and One coding question was there as a Code-pair.
Given a list of integers of size N
, your task is to determine the Next Greater Element (NGE) for every element. The Next Greater Element for an element X
is the firs...
Find the Next Greater Element for each element in a list of integers.
Iterate through the list of integers from right to left.
Use a stack to keep track of elements whose NGE is yet to be found.
Pop elements from the stack until a greater element is found or the stack is empty.
Assign the NGE as the top element of the stack or -1 if the stack is empty.
Tip 1 : Require coding skills to pass the interview.
Tip 2 : Brush up on Java Skills
Tip 3 : Brush up on OOPS
Tip 1 : Keep it to one page
Tip 2 : Mention relevant skills as per the job
I applied via Campus Placement and was interviewed before Mar 2023. There were 3 interview rounds.
Kadance algorithm and find the middle of the linklist
More on java and Python based coding questions
I applied via LinkedIn and was interviewed before Feb 2023. There were 2 interview rounds.
- simple basic ios questions
I applied via Referral and was interviewed before May 2022. There were 5 interview rounds.
Basic math question
based on 1 interview
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