template <typename Container>
class reverse_adaptor
{
public: // Construction
    reverse_adaptor(Container &container) :
        m_container(container)
    {}
 
private: // Members
    Container &m_container;
 
public: // STL container static polymorphism
    auto begin() const -> decltype(m_container.rbegin())
    {
        return m_container.rbegin();
    }
 
    auto end() const -> decltype(m_container.rend())
    {
        return m_container.rend();
    }
};
 
int main() {
	// your code goes here
	return 0;
}

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