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class A
{
protected:
int a;
};
class B:public A
{
public:
B():a(5) { }
};
int main()
{
B q;
return 0;
}
#include <iostream>
using namespace std;
class A
{
protected:
int a;
public:
A(int a)
{
this->a = a;
}
};
class B:public A
{
public:
B():A(5)
{
}
void printinfo()
{
cout << a << endl;
}
};
int main()
{
B q;
q.printinfo();
return 0;
}