NanoSniff Technologies Engineer Interview Questions and Answers

Q1. Self intro and aware about the role for the interview being done.
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Hackerrank coding test

Q1. Is the String anagram or not
Ans. 
Check if a given string is an anagram of another string
• Compare the sorted characters of both strings

• Check if the character counts are the same in both strings

• Examples: 'listen' and 'silent' are anagrams, 'hello' and 'world' are not
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Q2. Occurence of letters in a string
Ans. 
Count the occurrence of each letter in a given string.
• Create an array to store the count of each letter

• Iterate through the string and increment the count of each letter in the array

• Return the array with the count of each letter
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20 mcq questions and 3 programming questions

Q1. Progrmas on the linked list
Ans. 
Linked list programs involve creating, traversing, inserting, and deleting nodes in a linked list data structure.
• Create a linked list by defining a node struct and using pointers to link them together

• Traverse the linked list using a while loop and a pointer to the current node

• Insert a node by creating a new node, updating pointers, and handling edge cases

• Delete a node by updating pointers and freeing memory

• Examples: re...read more
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Q2. 1 to 1 round with some questions on linked list and arrays
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Moderate Coding question

Q1. On Java, OOPS concepts and coding logics
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Q2. Data Structures and algorithms
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Q1. Mostly the same as Round 1
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Q2. But question complexity is increased
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Q1. Normal questions about us
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Q2. Nothing major as I remember
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Q1. Discussion on sales, areas and target
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Q1. Discussion about product, target etc
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Contracts review and abstraction

Q1. Contracts and essential elements
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DSA questions asked in an interview