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#2
qlc002009-11-10 22:55
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#include<iostream>
using namespace std;
class A{
int x;
public:
A(int a):x(a)
{cout<<"constructing A\n";
}
};
class B:public A{
public:
B(){
cout<<"constructing B\n";
}
};
int main()
{
B b;
return 0;
}