题目内容
#includeusing namespace std;class Complex{public:Complex(double r=0,double i=0):re(r),im(i){}double real() const { return re; }double imag() const { return im; }Complex operator+(Complex c)const{ return Complex(re+c.re,im+c.im); }private:double re,im;};int main(){Complex a=Complex(1,1)+Complex(5);cout<
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