Quiz 54

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description:

3 times. One time for the first virtual occurences of BS in the heirarchy and once for each non-virtual occurence of BS. mid1 and mid2 together have one. mid3 and mid4 each have one.

#include <iostream>
struct BS
{
  BS()
  {
    std::cout << "Hello World" << std::endl;
  }
  unsigned int color;
};
struct mid1 : virtual public BS { };
struct mid2 : virtual public BS { };
struct mid3 : public BS { };
struct mid4 : public BS { };
struct DR : public mid1, public mid2, 
            public mid3, public mid4 { };
int main(int argc, char** argv) 
{ 
  DR d;
  return 0; 
}

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