#include 
     
      using namespace std;class circle {private:    int radium;public:    circle (int m_radium)    {        m_radium = 1;         radium = m_radium;    };    int getradium()    {    return radium;            }    bool compare(circle rad)    {        return (radium - rad.radium) > 0;    }    };int main(){    circle cir1(5),cir2(7);    if (cir1.compare(cir2))    cout << "cir1 is bigger!"<