Dassault Systemes Software Developer Interview Questions, Process, and Tips

It was a on campus derive, it was 1 hr test normal question about english, reasoning, core concepts

Q1. I am from mechanical engineering students so they started with mechanical and started asking from oops, some puzzles, some anlatical mathematical question
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Q1. Basic C++ OOPS, copy constructor , destructor
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Q2. Implement C string and make custom string class. Why we use reference in copy constructor
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Q3. Projectionofvector on another
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Q4. Product of two vote eligible people is x and then what will bethe individual's age
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Basics like arrays, bit manipulation, strings

Q1. Basic data structures, optimise code, puzzles
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Basic aptitude, reasoning and maths questions

Q1. 1. Length of string wrapped around a cylindrical surface
Ans. 
The length of string wrapped around a cylindrical surface can be calculated using the formula 2πr, where r is the radius of the cylinder.
• The formula to calculate the length of string wrapped around a cylindrical surface is 2πr.

• For example, if the radius of the cylinder is 5 cm, the length of the string wrapped around it would be 2π(5) = 10π cm.
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Q2. 2. Shortest distance between 2 points on a 3d cubical surface
Ans. 
The shortest distance between 2 points on a 3D cubical surface can be calculated using the Manhattan distance formula.
• Calculate the absolute difference between the x, y, and z coordinates of the two points.

• Sum up the absolute differences to get the Manhattan distance.

• Manhattan distance = |x2 - x1| + |y2 - y1| + |z2 - z1|

• Example: If point A is (1, 2, 3) and point B is (4, 5, 6), the Manhattan distance would be |4-1| + |
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Q3. 1. Implement 4x4 matrix multiplication with operator overloading in cpp. 2. Bitwise XOR operation of two numbers
Ans. 
Implement matrix multiplication and bitwise XOR operation in C++.
• For matrix multiplication, define a Matrix class with overloaded * operator.

• For bitwise XOR operation, use the ^ operator between two integers.

• Ensure the dimensions of matrices are compatible for multiplication.

• Handle edge cases like empty matrices or different dimensions.

• Example: Matrix A(4, 4); Matrix B(4, 4); Matrix C = A * B;

• Example: int result = num1
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