Btw: this is not a middle school question, it is college.

assume the existence of a building class. define a derived class, apartmentbuilding that contains four (4) data members: an integer named numfloors, an integer named unitsperfloor, a boolean named haselevator, and a boolean named hascentralair. there is a constructor containing parameters for the initialization of the above variables (in the same order as they appear above). there are also two functions: the first, gettotalunits, accepts no parameters and returns the total number of units in the building; the second, isluxurybuilding accepts no parameters and returns true if the building has central air, an elevator and 2 or less units per floor.

the solution i have tried is:
class apartmentbuilding: public building
{
private:
int numfloors;
int unitsperfloor;
bool haselevator;
bool hascentralair;
public:
apartmentbuilding(int x, int y, bool b, bool c){
numfloors=x;
unitsperfloor=y;
haselevator=b;
hascentralair=c;
};
int gettotalunits();
bool isluxurybuilding();
};

int apartmentbuilding: : gettotalunits(){
return numfloors*unitsperfloor;
}
bool apartmentbuilding: : isluxurybuilding(){
if(hascentralair==true & & haselevator == true & & unitsperfloor< =2)
return true;
else
return false;
}

this, however, does not work! i get an error stating: "in file included from ctest. cpp: 32: 0:
c. h: 1: 108: error: declaration of ‘apartmentbuilding: : apartmentbuilding(int, int, bool, bool)’ outside of class is not definition [-fpermissive]
apartmentbuilding: : apartmentbuilding(int numfloors, int unitsperfloor, bool haselevator, bool hascentralair); "

i don't understand question is from myprogramminglab.