Autodata Interview Questions and Answers

About artificial intelligence

What is oops and print fobanocci series

Questions from trees and linkedin

Q1. Question on dsa and on oops
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Q2. Reverse linked list with multiple approach
Ans. 
Reverse a linked list using multiple approaches.
• Iterative approach: Use three pointers to reverse the links between nodes.

• Recursive approach: Recursively reverse the rest of the list and adjust the links.

• Stack approach: Push all the nodes onto a stack and then pop them to create the reversed list.
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The test consisted of 4 DSA questions (1 easy, 2 medium, 1 hard) that had to be completed in 2 hours. They were standard questions from Leetcode and the test was similar to Leetcode's weekly coding contest.

Q1. Simple DSA questions like time complexity to insert in a Hash Map, the difference between singly and doubly linked lists, etc.
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Q2. Subarray with sum 0
Ans. 
Find subarray in an array with sum 0
• Iterate through the array and keep track of the running sum

• Store the running sum in a hashmap and check if the same sum has been seen before

• If the sum is 0 or if the running sum is already in the hashmap, a subarray with sum 0 exists
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Q3. Linked List Cycle
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Q4. Rainwater trapping proble
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Q1. Design a database for a blogging website
Ans. 
Database design for a blogging website
• Create tables for users, blog posts, comments, and categories

• Use primary and foreign keys to establish relationships between tables

• Include fields such as title, content, author, date, and tags

• Implement indexing for faster retrieval of data

• Consider implementing a caching mechanism for improved performance
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Q2. What can be done to balance the load of requests coming to a single server
Ans. 
To balance the load of requests on a single server, one can implement load balancing techniques.
• Implementing a load balancer to distribute incoming requests evenly across multiple servers

• Using round-robin algorithm to route requests to different servers in a sequential manner

• Utilizing server health checks to monitor the performance of each server and adjust the load distribution accordingly
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Q1. Design database for my college
Ans. 
Design a database for a college
• Create tables for students, courses, professors, departments, and grades

• Establish relationships between tables using foreign keys

• Include attributes such as student ID, course ID, professor ID, department ID, and grade

• Consider normalization to reduce redundancy and improve data integrity
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Q2. Pseudo code to validate password
Ans. 
Pseudo code to validate password
• Create a function that takes a password as input

• Check if the password meets the required criteria (e.g. length, special characters)

• Return true if the password is valid, false otherwise
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Q3. Strengths and weakness that can affect my profesional life
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Q4. Challenges faced during the projects in my resum and how did I overcome them
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5 questions of medium difficulty level covering topics like queue, dynamic programming, binary search, greedy.

Q1. System design. Using a NoSQL document schema. Design a document store schema to store bike model data.
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Q1. Willing to relocate to Navi Mumbai. Strengths and weekness General process related to my compatibility with the company.
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Technical questions based on dsa

Q1. Questions on sql based on joins and cte
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Q2. Questions on linq based on data transformation
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Questions based on high level programming and system architecture

1 hr, there were some DSA problems

1 hr, there were some DSA problems

Q1. Any hard situation u faced ?
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Q2. How you tackled hard situation
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Q1. Be confident there is no barrier of language in this organisation if you are comfortable in hindi use it
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General SQL and Python questions for Data analysis and Visualization tools

Q1. What do you understand y Churn Rate ?
Ans. 
Churn Rate is the percentage of customers who stop using a product or service over a certain period of time.
• Churn Rate is calculated by dividing the number of customers who stopped using the product by the total number of customers at the beginning of the period.

• It is used to measure customer retention and satisfaction.

• A high churn rate indicates that a company may be losing customers at a high rate, while a low churn ...read more
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Q2. What can be done to increase retention rate ?
Ans. 
To increase retention rate, companies can focus on improving employee engagement, providing opportunities for growth and development, offering competitive compensation and benefits, and creating a positive work culture.
• Improve employee engagement through regular feedback sessions and recognition programs

• Provide opportunities for growth and development through training programs and career advancement opportunities

• Offer ...read more
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