QNX – A division of BlackBerry Interview Questions and Answers

Q1. Problem solving and technical questions
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Q2. Minimum number of swaps to sort a liat
Ans. 
The minimum number of swaps required to sort a list is equal to the number of inversions in the list.
• Count the number of inversions in the list to determine the minimum number of swaps needed to sort it.

• An inversion occurs when a larger element appears before a smaller element in the list.

• For example, in the list [4, 3, 2, 1], there are 6 inversions (4,3), (4,2), (4,1), (3,2), (3,1), (2,1), so at least 6 swaps are need...read more
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Q1. Design based question
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Q2. Design url shortner
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A URL shortener is a tool that takes a long URL and generates a shorter, unique link that redirects to the original URL.
• Generate a unique key for each long URL

• Store the mapping of long URL to unique key in a database

• Create a redirect service that takes the unique key and redirects to the original URL
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Q1. Typical HR questions
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Q2. Why are you leaving your previous company
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Q1. Questions about React Context, CSS Grid, flex box.
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Q1. Coding and self evaluation
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Leetcode medium question

3 board member group round for coding and system design

Q1. Job role and salary discussion
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Code for any 2 c programs