Impact Analytics Deep Learning Engineer Interview Questions and Answers

Round duration - 60 mins
Round difficulty - Medium

Q1. 
Railway Seat Berth Determination
Given a railway seat number represented as an integer, determine if it is a valid seat number and identify its berth type. Possible berth types include lower berth, middle...read more
Ans. 
Given a railway seat number, determine if it is valid and identify its berth type.
• Parse input integer 't' for number of test cases

• For each test case, check if seat number is valid (1 <= N <= 100)

• Identify berth type based on seat number and output the result

• Possible berth types are Lower, Middle, Upper, Side Lower, and Side Upper
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Round duration - 90 mins
Round difficulty - Hard

First they asked me to introduce myself then they started questioning on oops concept from basic to advance level such as inheritance, polymorphism, abstraction, exception handling , STL etc. Next they started questioning on data structures. They asked me the logic of “how to find the middle of a linked list”.

Q1. 
Matrix Symmetry Check
You are provided with a square matrix. Your task is to return true if the matrix is symmetric; otherwise, return false.
A symmetric matrix is characterized by its transpose being eq...read more
Ans. 
Check if a square matrix is symmetric by comparing it with its transpose.
• Iterate through the matrix and compare each element with its corresponding element in the transpose

• If any pair of elements do not match, return false immediately

• If all pairs match, return true at the end
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Question on various topics

More questions on oops, coding

Basic aptitude questions. Just keep a track of time

2nd round is coding round. You can expect Leetcode medium questions. The topics asked are Linked list, Trees and arrays.

3rd round is again the Coding Test. Level of questions is Leetcode Medium to Leetcode Hard. Topics covered are Trees, Doubly Linked List, Dp etc.

Q1. 4th round is an hour-long technical interview. The interviewer will start by asking about your introduction and you can expect some questions about your introduction or projects. The rest of the time is gi...read more
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Q2. The questions were House Robber 3 from leetcode and some questions based on the binary array.
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Not selected but the questions were mostly based on DSA time complexity and pseudo code

Q1. Mostly on OOP's basic and some tricky questions related SOLID concepts
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Leet code medium level question

Q1. About Java Streams
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Q2. Restful API coding completion based on given file
Ans. 
Guide to completing a RESTful API coding task with essential pointers and examples.
• Understand REST principles: Use HTTP methods (GET, POST, PUT, DELETE) appropriately.

• Define clear endpoints: Example - /api/users for user-related operations.

• Implement status codes: Use 200 for success, 404 for not found, 500 for server errors.

• Use JSON for data interchange: Ensure requests and responses are in JSON format.

• Consider authent...read more
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Q1. To check your attitude
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Q2. Given detailed about company and what project you are going to work on?
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Q1. Hashmap working
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Q2. Multithreading cases
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Q3. Scenario specific on how to handle multiple events on a single variable to have accurate result
Ans. 
Managing multiple events on a single variable requires careful synchronization to ensure accurate results.
• Use locks or mutexes to prevent race conditions when accessing the variable.

• Implement event debouncing to limit the frequency of updates, ensuring only the final event is processed.

• Utilize a queue to handle events sequentially, processing them one at a time to maintain accuracy.

• Consider using atomic operations for ...read more
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Q4. Database indexing
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Q5. Architecture level
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General topics like mathe, English, social etc

It represents the eligibility of person and thinking process ,view of thoughts

Q1. We cannot judge people to atonce chance
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Skills ,fast typing , experienced ,new ideas

Q1. All the knowledge of technical work and word
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Deeply study case and make a point to make attractive