RUBRIK INDIA Full Stack Developer Interview Questions and Answers

Please inquire about the fundamentals of computer science, including object-oriented programming, data structures and algorithms, database management systems, and computer networks.

Easy to moderate apt test here

Easy to moderate coding questions on array

Q1. Indexing, sqls, queries, triggers
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Q2. Php versions, features, explain code
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Q1. General discussion based on the experience , salary
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Q1. Start introducing yourself
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Q1. Basic to intermediate.net, EF, SQL, C#, OOP
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Q2. Basics of .Net Core
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Q1. Deep into.net and sql
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Q1. Core java, spring boot
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Round duration - 90 minutes
Round difficulty - Medium

It was a mcq+coding round. There were 2 coding questions of medium difficulty. It was around 3 P.M.

Q1. 
Count Substrings with K Distinct Characters
Given a lowercase string 'STR' and an integer K, the task is to count all possible substrings that consist of exactly K distinct characters. These substrings ar...read more
Ans. 
Count substrings with exactly K distinct characters in a given lowercase string.
• Iterate through all substrings of length K and count distinct characters.

• Use a set to keep track of distinct characters in each substring.

• Increment count if number of distinct characters equals K.
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Q2. 
Collect Maximum Coins from Matrix
You are provided with a matrix consisting of 'M' rows and 'N' columns. Each cell in this matrix either contains a coin or is empty.
Your task is to collect the maximum n...read more
Ans. 
Given a matrix with coins and empty cells, collect maximum coins from boundary cells and adjacent cells.
• Iterate through the boundary cells and collect coins from them and their adjacent cells

• Keep track of visited cells to avoid collecting the same coin multiple times

• Use depth-first search or breadth-first search to explore adjacent cells
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Round duration - 90 minutes
Round difficulty - Hard

It was held after the debugging round at around 1 PM. The interviewer briefed me about the problem and then asked me to code in visual studio code.

Q1. 
Optimize Memory Usage Problem Statement
Alex wants to maximize the use of 'K' memory spaces on his computer. He has 'N' different document downloads, each with unique memory usage, and 'M' computer games,...read more
Ans. 
Maximize memory usage by pairing downloads and games within memory limit 'K'.
• Sort the downloads and games in descending order.

• Iterate through the downloads and games to find the pairs within memory limit 'K'.

• Return the pairs that maximize memory usage.
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Round duration - 45 minutes
Round difficulty - Hard

It was immediately after the second interview round. Total 6 students were shortlisted from various colleges for this round. It was at around 4 PM. There were 2 interviewers and asked questions from OS, DBMS, DS and project related questions from resume.

Python questions on data structures and algorithms

Q1. DBMS, python questions
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Q1. Tell me about yourself
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Q2. Checking Company fit
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