Blackbuck Insights Data Science Engineer Interview Questions and Answers

Q1. Given a string, find the longest length palindromic substring in the given string.
Ans. 
Find the longest palindromic substring in a given string.
• Use dynamic programming to solve the problem efficiently.

• Start with the base cases of single characters and two characters.

• For longer substrings, check if the first and last characters match and if the substring between them is also a palindrome.

• Keep track of the longest palindrome seen so far.

• Time complexity: O(n^2), space complexity: O(n^2).
Answered by AI
Add your answer

Q1. Mention the most challenging technical problem you had to solve.
Ans. 
Developing a real-time data processing system for a high-traffic website.
• Designing a scalable architecture to handle the high volume of incoming data.

• Optimizing the data processing algorithms to minimize latency.

• Ensuring data consistency and accuracy in a distributed system.

• Implementing fault-tolerant mechanisms to handle system failures.

• Testing and debugging the system under various load conditions.
Answered by AI
Add your answer
Q2. Some minor low level entity design.
Add your answer

Q1. About the experience and what I did
Add your answer

Give me a palindrom of string related question

Q1. System design based on how to scale something
Ans. 
To scale a system, consider horizontal and vertical scaling, load balancing, caching, database sharding, and microservices architecture.
• Implement horizontal scaling by adding more instances of the application to distribute the load.

• Consider vertical scaling by upgrading the hardware resources of the existing server.

• Use load balancing to evenly distribute incoming network traffic across multiple servers.

• Implement cachin...read more
Answered by AI
Add your answer

Q1. Tell me about yourself.
Add your answer