Britons Carpets Asia Java Developer Interview Questions and Answers

Normal DP question (LC med)

Coding related to Arrays and String

• Q1. Explain your project?
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• Q1. SELL ABD BUY 1 array question(easy level)
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• Q1. Questions were mainly focused on cloud and testing field
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Round duration - 120 minutes
Round difficulty - Hard

There was 2 parts. First part problems were based on Quantitative Aptitude. Problems were of 3 types- Easy, Medium and Hard with different scores. Difficulty keeps on increasing if you answer correctly and keeps on decreasing if you answer incorrectly.
First part was of 45 mins.
Second part consisted of 2 coding problems- Medium, Hard. One was based on Greedy and other was a difficult DP + Bitmask problem.
Coding part had more weightage than Aptitude.

• Q1. K Centers In Ninja Land there are ‘N’ cities numbered from 0 to ‘N’-1. The distance between each pair of cities is given by N * N matrix ‘DIST’ where ‘DIST[i][j...read more
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• Q2. Beautiful String Suppose we are given an empty string “inputString”. We have to convert this “inputString” into a “Beautiful String” We can perform any number o...read more
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Round duration - 90 minutes
Round difficulty - Medium

There were 3 interviewers in my panel. The most senior panellist asked q. related to my interests and internship experience.
Other 2 asked questions related to Coding and subjects. There was 1 coding question which was implementation based and involved many corner cases. They were checking if I was able to figure out different corner cases and handle those. 
There were situation based questions also asked. One question was on system design of Arogya Setu App.

• Q1. Multiplying Complex Numbers You are given two complex numbers 'NUM1' and 'NUM2' as strings, “A+Bi” where ‘A’ represents the real part and ‘B’ re...read more
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Round duration - 30 minutes
Round difficulty - Easy

HR round involved basic questions related to background and behaviour. It was basically a cultural fit round.

• Q1. Basic HR Questions

  Tell me about yourself.

  Why should we hire you?

  How do you handle pressure?

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Round duration - 70 Minutes
Round difficulty - Medium

There were 5 people in the zoom meet, including me. Rest all 4 were interviewers, 3 from India and 1 from the United Kingdom.
They started with my introduction and then moved on to the questions from my resume, starting with my internship at Samsung Bangalore and then projects.
Then another interviewer asked about my weakness and strength. Then comes the turn of coding questions.
Starting with finding the minimum element in O(1) time, rotating the 2-D array by 90 degrees, OOPS questions were also asked like- polymorphism, abstraction, virtual class. Some OS questions were- cache, paging algorithms.
Then come my POR and other activities.

• Q1. Kth Smallest Element You are given an array of integers 'ARR' of size 'N' and another integer 'K'. Your task is to find and return '...read more
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• Q2. Inplace rotate matrix 90 degree You are given a square matrix of non-negative integers of size 'N x N'. Your task is to rotate that array by 90 degrees ...read more
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• Q3. OS Questions

  What are page replacement algorithm in Operating System?

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