Multiple inheritance with one base class

Question

(Removed original text as it is unrelated to the current question which has already been answered. See revisions.)

Here is my example test.hpp (simplifi

Answer 1

Replace

PaintedOccupiedHouse::PaintedOccupiedHouse(int nWindows, int colorCode, int nPeople)
            : PaintedHouse(nWindows, colorCode), OccupiedHouse(nWindows, nPeople) {}

by

PaintedOccupiedHouse::PaintedOccupiedHouse(int nWindows, int colorCode, int nPeople)
            : House(nWindows), PaintedHouse(nWindows, colorCode), OccupiedHouse(nWindows, nPeople) {}

When you have virtual inheritance, there is only one instance of the virtual base class. It must be initialized in the constructor of the most derived class being constructed.