#include <iostream>
#include <memory>
using namespace std;
 
class IArchive
{
public:
	IArchive(){}
    IArchive(IArchive const&) = delete; 
    IArchive& operator=(IArchive const&) = delete;
};
 
class ZipArchive : public IArchive
{
	public:
	ZipArchive(){}
    ZipArchive(ZipArchive const&) = delete; 
    ZipArchive& operator=(ZipArchive const&) = delete;
};
 
 
int main() {
	shared_ptr<IArchive> archive = static_pointer_cast<IArchive>(make_shared<ZipArchive>());
	return 0;
}

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