Difacto Robotics and Automation Senior Engineer Mechanical Interview Questions and Answers

Round duration - 60 Minutes
Round difficulty - Hard

Q1. 
Prime Numbers within a Range
Given an integer N, determine and print all the prime numbers between 2 and N, inclusive.
Input:
Integer N
Output:
Prime numbers printed on separate lines
Example:
Input...read more
Ans. 
Generate and print all prime numbers between 2 and N, inclusive.
• Iterate from 2 to N and check if each number is prime

• A prime number is only divisible by 1 and itself

• Print each prime number on a new line
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. 
Anagram Substring Search
Given two strings 'STR' and 'PTR', identify all starting indices of 'PTR' anagram substrings in 'STR'. Two strings are anagrams if one can be rearranged to form the other.
Input:
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Ans. 
Implement a function to find all starting indices of anagram substrings of a given string in another string.
• Create a frequency map of characters in the 'PTR' string.

• Use a sliding window approach to check for anagrams in 'STR'.

• Return the starting indices of anagram substrings found.

• Example: For input 'BACDGABCD' and 'ABCD', output should be [0, 5].
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Round duration - 60 Minutes
Round difficulty - Hard

Q1. What are some common testing questions related to Linux and operating systems?
Ans. 
Common testing questions related to Linux and operating systems
• What are the different types of testing that can be performed on a Linux operating system?

• How do you test the compatibility of software with different Linux distributions?

• Can you explain the process of testing kernel modules in a Linux environment?

• What tools and techniques do you use for performance testing on Linux systems?

• How do you ensure the security an
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