Senior Research and Development Engineer 2

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Senior Research and Development Engineer 2 Interview Questions and Answers

Updated 17 Aug 2024

Q1. Tree traversal with vertical order

Ans.

Tree traversal with vertical order involves traversing a binary tree in a top-to-bottom order for each vertical column.

  • Use a hashmap to store nodes at each vertical level

  • Perform a level order traversal and update the hashmap with nodes at each vertical level

  • Sort the keys of the hashmap to get the nodes in vertical order

Q2. Design a phonebook app

Ans.

Phonebook app for storing and organizing contacts

  • Allow users to add, edit, and delete contacts

  • Include search functionality for easy access to contacts

  • Implement sorting options by name, phone number, etc.

  • Provide option to categorize contacts into groups or favorites

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