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Dassault Systemes Research and Development Associate Interview Questions, Process, and Tips

Updated 2 Sep 2022

Dassault Systemes Research and Development Associate Interview Experiences

1 interview found

I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Technical 

(5 Questions)

  • Q1. Questions on OOPS, Geometry, Puzzles, Basic Maths, Geometry Algorithms
  • Q2. Order of Constructor and Destructors called
  • Ans. 

    Constructors are called in order of inheritance, while destructors are called in reverse order.

    • Constructors are called when an object is created.

    • Destructors are called when an object is destroyed.

    • Inheritance affects the order of constructor calls.

    • Destructors are called in reverse order of constructors.

  • Answered by AI
  • Q3. Friends class usage in C++
  • Ans. 

    The Friends class in C++ allows access to private and protected members of a class by other classes.

    • The Friends class is declared inside the class that needs to grant access to its private/protected members.

    • The Friends class can be a friend of multiple classes.

    • Example: class A { friend class B; }; class B { friend class C; };

    • Example: class A { friend void B::function(); }; class B { void function() { //access A's priva

  • Answered by AI
  • Q4. Determining if a point lies inside, on or outside a circle.
  • Ans. 

    To determine if a point lies inside, on or outside a circle, we need to calculate the distance between the point and the center of the circle.

    • Calculate the distance between the point and the center of the circle using the distance formula

    • If the distance is greater than the radius of the circle, the point is outside the circle

    • If the distance is equal to the radius of the circle, the point is on the circle

    • If the distance...

  • Answered by AI
  • Q5. Ant and its travel along a cube.
Round 2 - One-on-one 

(1 Question)

  • Q1. Basic Puzzles, General Questions, Unless you make a mistake, you are selected

Interview Preparation Tips

Interview preparation tips for other job seekers - Interviews mostly depend on brands you are interviewing for. CATIA and Solidworks generally have lot of geometry and maths questions along with C++.

Skills evaluated in this interview

Interview questions from similar companies

I appeared for an interview before Sep 2020.

Round 1 - Coding Test 

(1 Question)

Round duration - 90 minutes
Round difficulty - Easy

Pretty easy questions.

  • Q1. 

    Kth Smallest Element Problem Statement

    You are provided with an array of integers ARR of size N and an integer K. Your task is to find and return the K-th smallest value present in the array. All elements...

  • Ans. 

    Find the K-th smallest element in an array of distinct integers.

    • Sort the array and return the element at index K-1.

    • Use a min-heap to find the K-th smallest element efficiently.

    • Implement quickselect algorithm for optimal performance.

  • Answered by AI
Round 2 - Coding Test 

(1 Question)

Round duration - 20 Minutes
Round difficulty - Easy

1 coding question

  • Q1. 

    IP Address Formation from String

    Given a string S consisting only of digits from 0 to 9, your task is to find all potential IP addresses that can be formed from S and list them in lexicographical order. I...

  • Ans. 

    Given a string of digits, find all potential valid IP addresses that can be formed from it.

    • Split the string into four parts and check if each part is a valid IP segment (0-255).

    • Use backtracking to generate all possible combinations of valid IP addresses.

    • Ensure that the IP address does not contain leading zeroes.

    • Return the valid IP addresses in lexicographical order.

  • Answered by AI
Round 3 - Face to Face 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Easy

Total Discussion on OS concepts

  • Q1. Can you explain the concepts related to memory management in operating systems?
  • Ans. 

    Memory management in operating systems involves allocation, deallocation, and optimization of memory usage.

    • Memory allocation: OS allocates memory to processes based on their requirements.

    • Memory deallocation: OS frees up memory when it is no longer needed by a process.

    • Memory optimization: OS optimizes memory usage through techniques like paging, segmentation, and virtual memory.

    • Examples: Paging in which memory is divide...

  • Answered by AI
Round 4 - Face to Face 

(1 Question)

Round duration - 45 Minutes
Round difficulty - Easy

Easy in office environment

  • Q1. 

    Find the Lone Set Bit

    Your task is to identify the position of the only '1' bit in the binary representation of a given non-negative integer N. The representation contains exactly one '1' and the rest are...

  • Ans. 

    Find the position of the lone '1' bit in the binary representation of a given non-negative integer.

    • Iterate through the bits of the integer to find the position of the lone '1'.

    • Use bitwise operations to check if there is exactly one '1' bit in the binary representation.

    • Return the position of the lone '1' or -1 if there isn't exactly one '1'.

  • Answered by AI

Interview Preparation Tips

Professional and academic backgroundI applied for the job as SDE - 1 in HyderabadEligibility criteria7 CGPAMicrosoft interview preparation:Topics to prepare for the interview - Trees, graphs, dynamic programming, stacks, queuesTime required to prepare for the interview - 1 MonthInterview preparation tips for other job seekers

Tip 1 : Do a good project.
Tip 2 : Master the topics you are preparing.

Application resume tips for other job seekers

Tip 1 : Avoid writing things you do not know
Tip 2 : Follow a proper format for Resume.

Final outcome of the interviewRejected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Jun 2020. There were 5 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. Basics of Jcl like class parameters, Questions from Sorting and disp parameters as well aa Gdg. In cobol variouws error codes and also db2 and Ims db questions.

Interview Preparation Tips

Interview preparation tips for other job seekers - Go through the baaics of all like JCL, COBOL, DB2 & IMSDB. If u aware of CICS then it will be added advantage.

Interview Questionnaire 

1 Question

  • Q1. Basic oops,basic MFC

I appeared for an interview before Jan 2021.

Round 1 - Coding Test 

(2 Questions)

Round duration - 120 Minutes
Round difficulty - Medium

The test included MCQ questions from SQL, Linux Commands, C/C++ programming, Logical Reasoning, Aptitude
questions. The other section was the coding round, where 2 SQL queries and 2 coding questions were there.

  • Q1. 

    Pythagorean Triplets Detection

    Determine if an array contains a Pythagorean triplet by checking whether there are three integers x, y, and z such that x2 + y2 = z2 within the array.

    Input:

    The first lin...
  • Ans. 

    Detect if an array contains a Pythagorean triplet by checking if there are three integers x, y, and z such that x^2 + y^2 = z^2.

    • Iterate through all possible triplets of numbers in the array and check if they form a Pythagorean triplet.

    • Use a nested loop to generate all possible combinations of three numbers from the array.

    • Check if the sum of squares of any three numbers is equal to the square of another number.

    • Return 'y...

  • Answered by AI
  • Q2. 

    First Unique Character in a String Problem Statement

    Given a string STR consisting of lowercase English letters, identify the first non-repeating character in the string and return it. If no such characte...

  • Ans. 

    Identify the first non-repeating character in a string and return it, or '#' if none exists.

    • Iterate through the string to count the frequency of each character

    • Iterate through the string again to find the first character with frequency 1

    • Return the first non-repeating character or '#' if none exists

  • Answered by AI
Round 2 - Face to Face 

(5 Questions)

Round duration - 70 Minutes
Round difficulty - Medium

This was a standard DSA round where I was asked to solve 2 questions and also code it in a production ready manner . After DS and Algo , I was asked some questions from OOPS and Java followed by some Unix Commands and basic concepts from Operating Systems.

  • Q1. 

    Find Duplicates in an Array

    Given an array ARR of size 'N', where each integer is in the range from 0 to N - 1, identify all elements that appear more than once.

    Return the duplicate elements in any orde...

  • Ans. 

    Find duplicates in an array of integers within a specified range.

    • Iterate through the array and keep track of the count of each element using a hashmap.

    • Return elements with count greater than 1 as duplicates.

    • Time complexity can be optimized to O(N) using a set to store duplicates.

  • Answered by AI
  • Q2. 

    Reverse Linked List Problem Statement

    Given a singly linked list of integers, return the head of the reversed linked list.

    Example:

    Initial linked list: 1 -> 2 -> 3 -> 4 -> NULL
    Reversed link...
  • Ans. 

    Reverse a singly linked list of integers and return the head of the reversed linked list.

    • Iterate through the linked list and reverse the pointers to point to the previous node instead of the next node.

    • Use three pointers - prev, current, and next to reverse the linked list in O(N) time and O(1) space complexity.

    • Update the head of the reversed linked list as the last node encountered during the reversal process.

  • Answered by AI
  • Q3. What are Serialization and Deserialization in Java?
  • Ans. 

    Serialization is the process of converting an object into a byte stream, while deserialization is the reverse process.

    • Serialization is used to persist object state or transmit objects over a network.

    • Deserialization reconstructs the object from the byte stream.

    • Java provides Serializable interface for serialization and ObjectInputStream/ObjectOutputStream classes for deserialization.

    • Example: Serializing an object to a fi

  • Answered by AI
  • Q4. Can you explain the Singleton Class in Java?
  • Ans. 

    Singleton class in Java ensures that a class has only one instance and provides a global point of access to it.

    • Singleton class restricts the instantiation of a class to one object.

    • It provides a way to access its unique instance globally.

    • Commonly implemented using a private constructor and a static method to return the instance.

    • Example: Logger class in a multi-threaded application.

  • Answered by AI
  • Q5. Can you explain piping in Unix/Linux?
  • Ans. 

    Piping in Unix/Linux allows the output of one command to be used as the input for another command.

    • Piping is done using the | symbol

    • It helps in connecting multiple commands together to perform complex operations

    • Example: ls -l | grep .txt - This command lists all files in long format and then filters out only the .txt files

  • Answered by AI
Round 3 - HR 

(1 Question)

Round duration - 30 Minutes
Round difficulty - Easy

This was a typical HR round with some standard Behavioral questions .

  • Q1. What is something about you that is not included in your resume?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPAAmdocs interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime 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 interviewSelected

Skills evaluated in this interview

I applied via Naukri.com and was interviewed in Mar 2020. There were 4 interview rounds.

Interview Questionnaire 

1 Question

  • Q1. What is rotational shifts. What is web service flow. How will you check ports on Unix or Solaris machine.
  • Ans. 

    Rotational shifts refer to working in different shifts at different times. Web service flow is the sequence of steps involved in a web service request. Checking ports on Unix or Solaris machine involves using the netstat command.

    • Rotational shifts involve working in different shifts at different times, such as day shift, night shift, and swing shift.

    • Web service flow involves a sequence of steps, such as sending a reques...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Total pathetic experience. Have heard of negative reviews from a number of people, but didn't believed. Unfortunately had to share same pain with them. What job description is given to you, doesn't matters because you won't be asked for that. Your resume will get shortlisted and then it doesn't matter what u have covered up in your career path, because interview rounds will consist of questions out of your scope. Your resume doesn't needs to be shortlisted at first end if it doesn't suit thier needs. HR people, they are on another level. You share your resume to them, and they will never ever reply back to you. Not a single HR, but it seems everyone has same culture. You keep trying to connect them for support. But they will just keep finding smarter ways to avoid.

Skills evaluated in this interview

I applied via Campus Placement

Interview Preparation Tips

Round: Test
Experience: It consists of quant, reasoning, C/C++, Englisg and Unix.
Tips: Go through basics and practice well
Duration: 1:30 hrs minute
Total Questions: 60-70

Round: Technical Interview
Experience: Have thorough knowledge about your project.

Round: HR Interview
Experience: Just a casual talk like about your personal details, hobbies etc.

General Tips: Be confident.
Skills:
College Name: NIT Durgapur

I appeared for an interview in Nov 2016.

Interview Questionnaire 

11 Questions

  • Q1. General technical questions.
  • Q2. Java string class
  • Q3. Java singleton pattern
  • Q4. LinkedIn list loop
  • Q5. Array list operations and search
  • Q6. Tomcat server related
  • Q7. Situations based
  • Q8. Salary negotiation
  • Q9. Location based
  • Q10. Reason for leaving
  • Ans. 

    Seeking better growth opportunities and challenges

    • Limited growth potential in current role

    • Desire to work on more challenging projects

    • Looking for a company with a better cultural fit

    • Relocating to a new area

  • Answered by AI
  • Q11. Expectation

Interview Preparation Tips

Round: Test
Experience: Online test for basic knowledge Check on SQL, UNIX, oops.
Apptitude, reasoning and English.
Tips: Learn UNIX basic commands and vi editor.
SQL query for index, update, delete and stored procedure.
Java exception and oops.
Duration: 2 hours 30 minutes
Total Questions: 90

Round: Technical Interview
Experience: General questions search any interview site.
Tips: Please share your thoughts before answering any question.

Round: HR Interview
Experience: NA
Tips: NA

Skills: Java Programming

I appeared for an interview before Dec 2020.

Round 1 - Video Call 

(4 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was a 60 minute technical round involving questions based on data structures, OOPS concepts, DBMS and projects that I had mentioned in my resume.

  • Q1. 

    Nth Fibonacci Number Problem Statement

    Calculate the Nth term in the Fibonacci sequence, where the sequence is defined as follows: F(n) = F(n-1) + F(n-2), with initial conditions F(1) = F(2) = 1.

    Input:

    ...
  • Ans. 

    Calculate the Nth Fibonacci number efficiently using recursion or dynamic programming.

    • Implement a recursive function to calculate the Nth Fibonacci number.

    • Use memoization to store previously calculated Fibonacci numbers for efficiency.

    • Consider using dynamic programming to optimize the solution.

    • Handle edge cases such as N = 1 or N = 2 separately.

    • Ensure the solution works efficiently for large values of N (up to 10000).

  • Answered by AI
  • Q2. Can you provide a program demonstrating operator overloading in OOP?
  • Ans. 

    Operator overloading in OOP allows custom behavior for operators like +, -, *, etc.

    • Operator overloading is a feature in OOP that allows defining custom behavior for operators

    • Example: Overloading the + operator to concatenate strings or add two numbers

    • Example: Overloading the * operator to perform matrix multiplication

  • Answered by AI
  • Q3. What is function overloading?
  • Ans. 

    Function overloading is when multiple functions have the same name but different parameters or return types.

    • Allows multiple functions with the same name but different parameters or return types

    • Helps improve code readability and maintainability

    • Example: int add(int a, int b) and float add(float a, float b)

  • Answered by AI
  • Q4. What are the differences between C and C++?
  • Ans. 

    C is a procedural programming language while C++ is a multi-paradigm programming language with object-oriented features.

    • C is a procedural programming language while C++ supports both procedural and object-oriented programming.

    • C does not support classes and objects while C++ does.

    • C does not have built-in support for exception handling while C++ does.

    • C does not have namespaces while C++ does.

    • C does not have function over

  • Answered by AI
Round 2 - HR 

(1 Question)

Round duration - 45 minutes
Round difficulty - Easy

HR round that lasted for 45 minutes. Did brainstorming on puzzles and HR asked questions to know more about me.
Tips : During HR, think before you speak, they can catch any word that you speak. Prepare well for aptitude, as they shortlist less people after the test. Ask good questions during the end of the interviews. It might impress them. So prepare for it before going for the interview. Lastly, don’t be nervous, HRs are only trying to make you nervous during the interview as a part of the stress test.

  • Q1. How can you measure 45 minutes using two identical wires?

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASAP Labs interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 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 interviewSelected

Skills evaluated in this interview

I appeared for an interview before Dec 2020.

Round 1 - Video Call 

(5 Questions)

Round duration - 60 minutes
Round difficulty - Medium

This was a 60 minute technical round where the interviewer asked programming based questions and questions on DBMS concepts.

  • Q1. 

    Maximum of All Subarrays of Size k

    Given an array of 'N' non-negative integers and an integer 'K', your task is to find the maximum elements for each subarray of size 'K'.

    Input:

    The first line contains...
  • Ans. 

    Find the maximum elements for each subarray of size 'K' in an array of non-negative integers.

    • Iterate through the array and maintain a deque to store the indices of elements in decreasing order.

    • Pop elements from the deque if they are out of the current window of size 'K'.

    • The front of the deque will always have the index of the maximum element in the current window.

  • Answered by AI
  • Q2. Can you explain the ACID properties in the context of database management systems?
  • Ans. 

    ACID properties are a set of properties that guarantee the reliability of transactions in database management systems.

    • Atomicity ensures that either all operations in a transaction are completed successfully or none of them are. For example, transferring money from one account to another should either be completed in full or not at all.

    • Consistency ensures that the database remains in a consistent state before and after ...

  • Answered by AI
  • Q3. What is write-ahead logging in DBMS?
  • Ans. 

    Write-ahead logging is a technique used in DBMS to ensure that changes are recorded in the log before they are applied to the database.

    • Write-ahead logging ensures that changes are first written to the log file before being applied to the database to maintain data integrity.

    • It helps in recovering the database in case of a system crash or failure by replaying the log entries to bring the database back to a consistent sta...

  • Answered by AI
  • Q4. What are the deadlock avoidance schemes?
  • Ans. 

    Deadlock avoidance schemes are strategies used to prevent deadlocks in a system.

    • Banker's algorithm: Ensures that the system will never enter an unsafe state by keeping track of available resources and only granting a request if it does not lead to a deadlock.

    • Wait-die and Wound-wait: Two deadlock prevention schemes used in transaction processing systems to avoid deadlocks by allowing transactions to wait or abort based ...

  • Answered by AI
  • Q5. What is a clustered index?
  • Ans. 

    A clustered index is a type of index that sorts and stores the data rows in the table based on their key values.

    • Defines the order in which data is physically stored in a table

    • Only one clustered index per table

    • Helps in improving the performance of queries that involve range searches or sorting

    • Example: Clustered index on a table's primary key

  • Answered by AI
Round 2 - Video Call 

(3 Questions)

Round duration - 60 minutes
Round difficulty - Easy

This was a 60 minute technical round where the interviewer asked data structure based questions, questions on OOPS and OS concepts.

  • Q1. What is a virtual function in C++?
  • Ans. 

    A virtual function in C++ is a function that is declared within a base class and is redefined by a derived class.

    • Virtual functions allow a function to be overridden in a derived class.

    • They are used in polymorphism to achieve runtime binding.

    • The base class function must be declared as virtual for dynamic binding to occur.

    • Example: virtual void display() = 0; // pure virtual function

  • Answered by AI
  • Q2. Can you explain the malloc() and free() operations in the context of memory management in C?
  • Ans. 

    malloc() is used to dynamically allocate memory in C, while free() is used to release allocated memory.

    • malloc() allocates a block of memory of specified size and returns a pointer to the beginning of the block.

    • free() deallocates the memory previously allocated by malloc() or calloc().

    • Example: int *ptr = (int*)malloc(5 * sizeof(int)); // Allocates memory for 5 integers

    • Example: free(ptr); // Deallocates the memory alloca

  • Answered by AI
  • Q3. What is structure padding?
  • Ans. 

    Structure padding is the concept of adding empty bytes to a structure to align its data members on memory boundaries.

    • Structure padding is done to optimize memory access and improve performance.

    • Padding is necessary because most processors require data to be aligned on specific memory boundaries for efficient access.

    • For example, if a structure contains a char followed by an int, padding may be added after the char to ali

  • Answered by AI
Round 3 - HR 

Round duration - 30 minutes
Round difficulty - Easy

HR based round that lasted for 30 minutes. The interviewer asked question to know more about me.

Interview Preparation Tips

Eligibility criteriaAbove 7 CGPASAP Labs interview preparation:Topics to prepare for the interview - Data Structures, Algorithms, System Design, Aptitude, OOPSTime required to prepare for the interview - 6 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 interviewSelected

Skills evaluated in this interview

Dassault Systemes Interview FAQs

How many rounds are there in Dassault Systemes Research and Development Associate interview?
Dassault Systemes interview process usually has 2 rounds. The most common rounds in the Dassault Systemes interview process are Technical and One-on-one Round.
What are the top questions asked in Dassault Systemes Research and Development Associate interview?

Some of the top questions asked at the Dassault Systemes Research and Development Associate interview -

  1. Determining if a point lies inside, on or outside a circ...read more
  2. Order of Constructor and Destructors cal...read more
  3. Ant and its travel along a cu...read more

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