Trilogy Innovations Software Developer Intern Interview Questions, Process, and Tips for Freshers

Round duration - 60 minutes
Round difficulty - Easy

Q1. Technical Questions
Tell me about MySql
Tell me about all the key features of OOPS and all the things you know about C++
Add your answer
Q2. Stocks are profitable
You are given an array/list 'prices' where the elements of the array represent the prices of the stock as they were yesterday and indices of the array represent minutes. Your ...read more
Ans. Brute Force
We will check all the possible ways of buying and selling stocks. We will fix the time we are buying the stock and check all the possible minutes we can sell this stock and update the maximum profit we can get. Now we will take the maximum profit for all the possible buying time and that would be our final maximum profit.
 
Algorithm: 
 
1. Initialize an integer variable ‘maxProfit’ to store the maxi...read more
Answered by CodingNinjas
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Round duration - 20 Minutes
Round difficulty - Easy

Q1. Basic HR Questions
Why should we hire you?
Who is your role model?
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Round duration - 60 minutes
Round difficulty - Medium

Two DSA problems of difficulty rating of 1500-1800 on Codeforces.

Q1. Find K Closest Elements
You are given a sorted array 'A' of length 'N', two integers 'K' and 'X'. Your task is to print 'K' integers closest to 'X', if two i...read more
Ans. 
I proposed the following solution - 
Perform a binary search on distance. In each iteration of the binary search, check how many pairs have a distance less than mid and then update low and high bounds in accordance with K.
Answered by CodingNinjas
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Q2. Random point generator.
Mr. Schrodinger recently developed a new hypothesis. For testing his hypothesis he needs some points inside a particular circle. For good testing, points should be uniformly distrib...read more
Ans. 
Let y be the smallest integer such that 2^y >= N.

So, we will call G(y) till we get a number in the desired range.

Follow-up - Expected Number of calls to G before we get a number in the desired range.
Answered by CodingNinjas
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Round duration - 45 minutes
Round difficulty - Medium

This round was majorly based on my resume discussion. It was with a senior VP. We had an in-depth discussion on my past interview experiences, my projects etc.

Q1. Basic HR Questions
What are your expectations?
Who is your role model?
Add your answer