What is the exact output of the following program? #include using namespace stdi void zolo(int & a, int sb) int main int x = 5, y =8; zolo(x, y)i cout < < "x " < < x < < endl ; cout < < "y = "" < < y < < endl ; return o: void zolo(int & a, int & b) int v1 = b + a; ' int v2 = b-a; 3 a=v1; 13

Which of the following statements is false? a. a class can directly inherit from class object. b. if the class you're inheriting from declares instance variables as private, the inherited class can access those instance variables directly. c. a class's instance variables are normally declared private to enforce good software engineering. d. it's often much more efficient to create a class by inheriting from a similar class than to create the class by writing every line of code the new class requires.