Technical Member Staff Intern

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Technical Member Staff Intern Interview Questions and Answers

Updated 15 Oct 2024

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Q1. What is sparse table and why it is used

Ans.

Sparse table is a data structure used to efficiently answer range queries on an array.

  • Sparse table is used to optimize range query operations on an array.

  • It precomputes and stores the answers to all possible range queries in a table.

  • The table is constructed using a divide-and-conquer approach.

  • Sparse table reduces the time complexity of range queries from O(n) to O(1).

  • It is commonly used in scenarios where range queries are frequent and array elements are static.

Q2. Case where Dijkstra will not work

Ans.

Dijkstra's algorithm will not work when there are negative edge weights in the graph.

  • Dijkstra's algorithm assumes that all edge weights are non-negative.

  • If there are negative edge weights, the algorithm may produce incorrect shortest paths.

  • In such cases, other algorithms like Bellman-Ford or Floyd-Warshall should be used.

  • For example, consider a graph with a negative weight cycle.

Technical Member Staff Intern Interview Questions and Answers for Freshers

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Q3. Design a QA chatbot

Ans.

A QA chatbot designed to answer questions related to quality assurance processes and best practices.

  • Implement natural language processing to understand user queries

  • Create a knowledge base of QA processes, tools, and methodologies

  • Provide accurate and relevant answers to user questions

  • Offer interactive features like quizzes or tutorials to engage users

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