#include <iostream>
using namespace std;
class A{
public:
A(){cout<<"A constructor"<<endl;}
~A(){cout<<"A destructor"<<endl;}
};
class B: public A{
public:
B(){cout<<"B constructor"<<endl;}
~B(){cout<<"B destructor"<<endl;}
};
class C: public B{
public:
C(){cout<<"C constructor"<<endl;}
~C(){cout<<"C destructor"<<endl;}
};
int main(){
C test;
return 0;
}
A constructor B constructor C constructor C destructor B destructor A destructor
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