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#include<iostream>
using namespace std;
class C1{
public: C1(){ cout<<"C1"<<endl; }
};
class C2 : virtual public C1{
public: C2(){ cout<<"C2"<<endl; }
};
class C3 : public C1{
public: C3(){ cout<<"C3"<<endl; }
};
class C4 : virtual public C2{
public: C4(){ cout<<"C4"<<endl; }
};
class C5 : public C2, virtual public C3{
public: C5(){ cout<<"C5"<<endl; }
};
class C6 : virtual public C3, public C4, virtual public C5{
public: C6(){ cout<<"C6"<<endl; }
};
int main(){
C6 c;
return 0;
}
输出:
C1
C3
C1
C2
C2
C5
C4
C6