下面程序的输出结果是 【15】 。 #include<iostream> usi
问题:
下面程序的输出结果是 【15】 。
#include<iostream>
using namespace std;
class base
protected:
int a;
public:
base()cout<<"0":
;
class base1:virtual public base
public:
base1()cout<<"1";
;
class base2:virtual public base
public
base2()cout<<"2";
;
class derived:public base1,public base2
public:
derived()cout<<"3";
int main()
derived obj;
cout<<end1;
return 0;