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I was interviewed in Oct 2020.
Round duration - 70 minutes
Round difficulty - Medium
It consisted of 17 MCQ based on networking and 3 coding questions. Among those one coding question was on practical implementation.
Imagine you have a certain number of empty pens, and some money in your pocket. For each pen, you can choose to either recycle it for a reward or buy a refill to make it u...
Given empty pens, money, and costs, maximize usable pens by recycling and buying refills.
Calculate total money after recycling pens
Determine number of refills that can be bought with the money
Combine refills with remaining pens to maximize usable pens
Round duration - 60 minutes
Round difficulty - Hard
It was around 5-6 p.m. The interviewer was very easy to talk to. They went straight to the questions and asked me if I had any doubts in the end.
Tip 1 : Know NodeJS completely from inside out. Focus on NodeJS event loop and knowing how callbacks occur.
Tip 2 : Have in-depth knowledge of all database concepts. eg. Knowing indexing is not enough, but how it is implemented is.
Tip 3 : Make good projects on NodeJS.
Tip 4 : Have in-depth knowledge of networking concepts especially TCP.
Tip 5 : Know the company better.
Tip 1 : Projects on NodeJS are a must and mentioning javascript too.
Tip 2 : Having a good college name, or Google Summer of Code kind of experiences helps.
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posted on 14 Sep 2021
I was interviewed in Mar 2021.
Round duration - 60 Minutes
Round difficulty - Easy
The platform was HackerEarth time duration was 1 hour.
2 Coding questions were asked, 30 minutes for each were allotted.
Given a string S
of length L
, determine the length of the longest substring that contains no repeating characters.
"abac...
Find the length of the longest substring without repeating characters in a given string.
Use a sliding window approach to keep track of the longest substring without repeating characters.
Use a hashmap to store the index of each character in the string.
Update the start index of the window when a repeating character is encountered.
Calculate the maximum length of the substring as you iterate through the string.
Return the m
Given an array or list ARR
consisting of N
integers, your task is to identify all distinct triplets within the array that sum up to a specified number K
.
A t...
Identify all distinct triplets within an array that sum up to a specified number.
Iterate through the array and use nested loops to find all possible triplets.
Use a set to store unique triplets and check if the sum equals the target sum.
Handle edge cases like duplicate elements and no valid triplets.
Time complexity can be optimized using sorting and two-pointer technique.
Round duration - 120 Minutes
Round difficulty - Hard
This was a 2 hours round, with the following problem statement. At the end of the allotted time you had give a demo and explain your implementation.
Round duration - 45 Minutes
Round difficulty - Medium
The platform was Zoom, time duration was 45 mins. Started with Tell me something about yourself. I told them, that I like solving algorithms and real life problems.
Round duration - 20 Minutes
Round difficulty - Easy
Interviewer was very friendly. Asked few questions about myself and then asked questions about what I know about the company.
Tip 1 : Participate in live contests on websites like Codechef, Codeforces etc as much as possible.
Tip 2 : Practice questions from leetcode as mostly questions were asked from that only.
Tip 3 : Revise Computer Science subjects like DBMS, OS & OOPS thoroughly, it'll help you ace last round
Tip 4 : Revise everything about your mentioned internship projects and self projects. Projects hold a great weight in selection.
Tip 1 : Competitive programming profiles is a must. That'll help you get shortlisted.
Tip 2 : Resume should reflect development and experience in DSA.
Tip 3 : Be genuine in your skills and technologies section, question will be asked from them.
I applied via Campus Placement and was interviewed in Oct 2023. There were 4 interview rounds.
Its a basic quantitative and c mcqs
They ask 5 questions .difficulty - easy to medium
Advance coding round 3 hard problems
I applied via Campus Placement and was interviewed before Apr 2023. There were 3 interview rounds.
20 question all are fill up type 10 dsa,10 quants
5 question solve atleast 3 to get select for next round
Mini project you have to build java console application
I applied via Company Website and was interviewed before Apr 2023. There were 3 interview rounds.
Aptitude and basic programming questions were asked.
6 Easy to Medium level questions were asked from topics like strings, arrays, hashmaps, sorting
I applied via Naukri.com and was interviewed in Feb 2024. There were 4 interview rounds.
Railway sum time work
Tree map set hashmap
Railway ticket booking website
I applied via Company Website and was interviewed in Mar 2024. There were 3 interview rounds.
Written test conducted, not mcq, all are fill ups
5 coding questions asked
Console based application
I applied via Naukri.com and was interviewed in Mar 2024. There were 2 interview rounds.
20 questions. 10 apti and 10 coding outputs.
Coding test ranging for 5 hours. You have to solve problems continuously.
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