#include
     
      using namespace std;class complex{public:    complex(float a,float b);    complex(float a);    void add(complex &c);    void show();private:    float x,y;};complex::complex(float a,float b){    x=a;    y=b;}complex::complex(float a){    x=a;}void complex::add(complex&c){x+=c.x;y+=c.y;}void complex::show(){    cout<
      
       <<"+"<
       
        <<"i"<
       
      
     

#include
      
       using namespace std;class complex{public:    complex(float a,float b);    complex(float a);    void add(complex &c);    void show();private:    float x,y;};complex::complex(float a,float b){    x=a;    y=b;}complex::complex(float a){    x=a;}void complex::add(complex&c){x+=c.x;y+=c.y;}void complex::show(){    cout<
       
        <<"+"<
        
         <<"i"<
        
       
      

 

c1.show();    return 0;}