#include
using namespace std;
class complex
{
public:
\x05complex(complex &c); //深度復(fù)制構(gòu)造函數(shù)
\x05complex(float r,float i); //普通構(gòu)造函數(shù)
\x05void set(float r,float i); //變量重新賦值
\x05complex(); //無(wú)參構(gòu)造函數(shù)
\x05friend complex add(complex &b,complex &c); //相加
\x05friend complex sub(complex &b,complex &c); //相減
friend complex mul(complex &b,complex &c); //相乘
\x05void show();
private:
\x05float real;
\x05float imag;
};
complex::complex()
{
\x05\x05real = 0;
\x05\x05imag = 0;
}
complex::complex(float r ,float i)
{
\x05real = r;
\x05imag = i;
}
complex::complex(complex &c)
{
\x05real = c.real;
\x05imag = c.imag;
}
void complex::set(float r,float i)
{
\x05real = r;
\x05imag = i;
}
void complex::show()
{
\x05cout