6.2.1 传值参数

练习6.10

void reset(int* ip, int* iq)
{
	int a = *ip;
	int b = *iq;
	*ip = b; //改变i的值，而非i的地址
	*iq = a; //改变j的值，而非j的地址
}

int main() {
	int i = 42, j = 84;
	reset(&i, &j);
	cout << "i = " << i << endl;
	cout << "j = " << j << endl;
}