gistfile1.hpp

static int n = 0;

class A {
public:
	virtual void foo() {
		++n;
	}
};

class B : public A {
public:
	void foo() {
		++n;
		return;
	}
};

class C : public B {
public:
	void foo() {
		++n;
	}
};

class D : public C {
public:
	void foo() {
		++n;
	}
};

int main (int argc, char const *argv[])
{
	for (int i = 0; i < 10000000; ++i)
	{
		A a;
		a.foo();
		B b;
		b.foo();
		C c;
		c.foo();
		D d;
		d.foo();
	}
	return 0;
}