描述复数

#include<iostream.h>
class couple
{
	int i,j;
public:
	couple(int a,int b)
	{
		i=a;
		j=b;
	}
	int real(){return i;}
	int visual(){return j;}
	void coup(){cout<<i<<"+"<<j<<"i"<<endl;}      
};
void main()
{
	couple s(8,9);
	s.coup(); 

}