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IDEMIA C Developer Interview Questions and Answers

Updated 13 Sep 2021

IDEMIA C Developer Interview Experiences

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C Developer Interview Questions & Answers

user image Anonymous

posted on 13 Sep 2021

I applied via Recruitment Consultant and was interviewed in Aug 2021. There were 3 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Pointers, difference between Union and Structure, Dangling pointer, Pattern program,

Interview Preparation Tips

Interview preparation tips for other job seekers - Worst interview experience ever. I cleared all the interviews and got positive response but later they said they were not okay with my salary expectations which I already mentioned before my 1 st round and then they were like we won't be able to offer you this much amount. If you can't offer someone as per their expectations why you interview them. They were very unethical and unprofessional.

Interview questions from similar companies

I was interviewed before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Medium

It was in the afternoon. I have to switch on my webcam during test. 1 person taking the test and 3 people were monitoring me. they ask many questions apart from the test as well. He give me some situations and ask me to give solution for the problem by writing algorithm and code.

  • Q1. 

    Anagrams Problem Statement

    You are given an array/list of strings called inputStr. Your task is to return the strings as groups of anagrams such that strings belonging to the same group are anagrams of ea...

  • Ans. 

    Given an array of strings, group the strings that are anagrams of each other.

    • Iterate through the array of strings and sort each string alphabetically to create a key for grouping.

    • Use a hashmap to store the sorted string as key and the list of anagrams as value.

    • Return the values of the hashmap as the grouped anagrams.

  • Answered by AI
Round 2 - Coding Test 

Round duration - 90 minutes
Round difficulty - Medium

It was in the evening. I have to switch on my webcam during test. 1 person taking the test and 3 people were monitoring me. They asked many questions apart from the test as well.

Round 3 - Face to Face 

Round duration - 30 minutes
Round difficulty - Medium

It was in the evening. There was total 3 persons in the meeting. They asked me many questions regarding my projects and my previous experience too. The interviewer were very friendly.

Round 4 - HR 

Round duration - 90 minutes
Round difficulty - Medium

It was in the morning. It was a one to one conversation. He asked me questions regarding my lifestyle, interests and work experience too. He asked me to tell me about myself for about 5 minutes. Then we talk a lot about current affairs too. Then we talked about package too. The interviewer was very nice and friendly in nature.

Interview Preparation Tips

Eligibility criteriaWork ExperenceThales interview preparation:Topics to prepare for the interview - Data Structure, OOPS, STL, CPP, Socket Programming, PointersTime required to prepare for the interview - 3 monthsInterview preparation tips for other job seekers

Tip 1 : You should know each and everything about your current project and your role and responsibilities. 
Tip 2 : Continue practice on online coding platforms and do participate in coding challenges. 
Tip 3 : Study everyday complete online courses on platform like Udemy.

Application resume tips for other job seekers

Tip 1: Add only what you know properly. don't add extra stuff just to add weight to your resume.
Tip 2: First page of the resume must in tabular form and it must give complete information about you in very simple manner. 
Tip 3: Make it short and direct.

Final outcome of the interviewSelected

Skills evaluated in this interview

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - Technical 

(1 Question)

  • Q1. Mostly about .Net, AWS, Angular
Round 2 - Technical 

(1 Question)

  • Q1. Mostly about AWS, .Net
Round 3 - HR 

(1 Question)

  • Q1. Behavioral Round + Salary Discussion
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I was interviewed before Feb 2024.

Round 1 - Coding Test 

The authentication related questions and architecture wise too.

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare authentication types and How the middle ware working.
Interview experience
4
Good
Difficulty level
Easy
Process Duration
-
Result
-
Round 1 - HR 

(3 Questions)

  • Q1. Basic family and behaviour
  • Q2. How is your strength?
  • Q3. What is family background?
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Job Portal and was interviewed before Apr 2023. There was 1 interview round.

Round 1 - Technical 

(3 Questions)

  • Q1. Basics of testing
  • Q2. Sql basic, joins
  • Q3. Unix and shell scripting
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Not Selected
Round 1 - Technical 

(2 Questions)

  • Q1. C++ fundamental
  • Q2. Reverse linked list

I applied via Campus Placement and was interviewed in Sep 2021. There were 4 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Concept about Java and it’s experience and in depth analysis of code with different situations
  • Q2. OOPS concept
  • Q3. Sorting Algorithm
  • Ans. 

    Sorting algorithm is a method of arranging elements in a specific order.

    • Common sorting algorithms include bubble sort, insertion sort, selection sort, merge sort, quick sort, and heap sort.

    • The choice of sorting algorithm depends on the size of the data set, the data type, and the desired time complexity.

    • Sorting algorithms can be implemented in various programming languages such as Java, Python, and C++.

  • Answered by AI
  • Q4. Project discussion in detail
  • Q5. A thorough questions based on your resume so make sure you know everything in detail from projects to tech stack used

Interview Preparation Tips

Interview preparation tips for other job seekers - Be honest. It’ll be appreciated to be honest if you don’t have much idea about it rather than being over confident. Also whatever you know about learn in detail. For example I was given to write a code showing inheritance, I was asked questions on multiple scenario it is important to understand the in depth of concept of all keywords like static and annotations (@override) as this is basic but we need to know about how it works and what exactly happens when we don’t have it.

Skills evaluated in this interview

Interview Questionnaire 

3 Questions

  • Q1. 1. some basic questions related to selenium.
  • Q2. 2. reverse a string, find a duplicate in a string.
  • Ans. 

    Reverse a string and find a duplicate in an array of strings.

    • To reverse a string, we can use the built-in reverse() method or loop through the string and append each character to a new string in reverse order.

    • To find a duplicate in an array of strings, we can use a hash table to keep track of the frequency of each string and return the first string with a frequency greater than 1.

  • Answered by AI
  • Q3. Some Linux basic command, cut, find.

Interview Preparation Tips

Interview preparation tips for other job seekers - Write a simple resume and be extra polite.

I was interviewed in Oct 2021.

Round 1 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

Technical Interview round with basic DSA questions. Questions on Selenium and Linux commands were also asked.

  • Q1. 

    Reverse a String Problem Statement

    Given a string STR containing characters from [a-z], [A-Z], [0-9], and special characters, determine the reverse of the string.

    Input:

    The input starts with a single i...
  • Ans. 

    Reverse a given string containing characters from [a-z], [A-Z], [0-9], and special characters.

    • Iterate through the characters of the string from end to start and append them to a new string to get the reversed string.

    • Use built-in functions like reverse() or StringBuilder in languages like Java for efficient reversal.

    • Handle special characters and numbers along with alphabets while reversing the string.

    • Ensure to print eac...

  • Answered by AI
  • Q2. 

    Duplicate Characters in a String

    Given a string 'S' of length 'N', identify and return all the characters in the string that appear more than once along with their frequency.

    Example:

    Input:
     N = 5
    S =...
  • Ans. 

    Identify and return all characters in a string that appear more than once along with their frequency.

    • Iterate through the string and count the frequency of each character using a hashmap.

    • Return characters with frequency greater than 1 in an array of tuples.

  • Answered by AI
  • Q3. What is the cut command in Linux and how do you use it?
  • Ans. 

    The cut command in Linux is used to extract sections from each line of input.

    • Used to cut out specific sections of text from a file or input stream

    • Can specify the delimiter used to separate fields

    • Options include -c for characters, -f for fields, and -d to specify the delimiter

    • Example: cut -d',' -f1,3 file.txt

  • Answered by AI
  • Q4. What is the Find command in Linux and how is it used?
  • Ans. 

    The Find command in Linux is used to search for files and directories based on specified criteria.

    • Used to search for files and directories in a specified directory

    • Criteria can include file name, size, permissions, and more

    • Can be combined with other commands like -exec to perform actions on found files

  • Answered by AI

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAThales interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, Linux, Aptitude, OOPS, SeleniumTime required to prepare for the interview - 4 monthsInterview preparation tips for other job seekers

Tip 1 : Must do Previously asked Interview as well as Online Test Questions.
Tip 2 : Go through all the previous interview experiences from Codestudio and Leetcode.
Tip 3 : Do at-least 2 good projects and you must know every bit of them.

Application resume tips for other job seekers

Tip 1 : Have at-least 2 good projects explained in short with all important points covered.
Tip 2 : Every skill must be mentioned.
Tip 3 : Focus on skills, projects and experiences more.

Final outcome of the interviewRejected

Skills evaluated in this interview

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