After initial screening, I spoke with the manager and HR.

This was followed by a virtual, day-long interview that included a 45-minute presentation. They asked me to send my slides for feedback. I did, and they suggested adding more of my 3D work.

I had a coding interview involving a binary tree depth-first search algorithm in C++, followed by a general C++ coding interview. I was asked questions about pass-by-value and pass-by-reference, the differences between C++ versions, and polymorphism. I was also asked to write code to implement methods. I was given a class object and asked about the role of each part of the code. I am attaching the code that I was asked to fill in:

cpp #include #include #include #include #include

enum class BuildType { NORMAL, ACCELERATOR };

class Builder { /* write this class */ };

class NormalBuilder : public Builder { /* write this class */ };

class AcceleratorBuilder : public Builder { /* write this class */ };

std::unique_ptr getBuilder(const BuildType aType) { /* write this function */ }

class ModelObject { public: ModelObject(const BuildType aType, const std::string& aName) : _type(aType), _name(aName) {}

void build() const {
    auto builder = getBuilder(_type);
    builder->build(_name);
}

private: BuildType _type; std::string _name; };

int main() { /* * topModel (normal) * | * --------------------------- * | | * subModel1 (accelerator) subModel2 (accelerator) */ std::vector objects; objects.emplace_back(ModelObject(BuildType::NORMAL, "topModel")); objects.emplace_back(ModelObject(BuildType::ACCELERATOR, "subModel1")); objects.emplace_back(ModelObject(BuildType::ACCELERATOR, "subModel2"));

for (auto & obj : objects) {
    obj.build();
}

}

Many questions they asked I forgot, and I could not practice before the interview. The answers were not on the tip of my head, as I learned C++ a decade ago and now implement it to solve problems in my research. I have no time to remember many definitions of C++ and no time to keep track of what's new coming to the next C++ version. They said they would let me know their decision by next week.