课堂小练习

#include<iostream>
#include<cmath>
using namespace std;
class Complex{
    public:
        Complex(float real1,float imaginary1=0){
            real=real1;
            imaginary=imaginary1;
        }
        void add(Complex &t)
        {
            real=real+t.real;
            imaginary=imaginary+t.imaginary; 
        }
        void show()
        {
            cout<<real<<"+"<<imaginary<<"i"<<endl;
        }
        float mod()
        {
            float m;
            m=(sqrt(pow(real,2)+pow(imaginary,2)));
            return m;
        }
        Complex(Complex &p);
        private:
            float real;
            float imaginary;
}; 
Complex::Complex(Complex &p){
    real=p.real;
    imaginary=p.imaginary;
}

int main()
{
    Complex c1(3,5);
    Complex c2(4.5);
    c1.add(c2);
    c1.show();
    c2.show();
    cout<<c1.mod();
    return 0;
}#include<iostream>
#include<cmath>
using namespace std;
class Complex{
    public:
        Complex(float real1,float imaginary1=0){
            real=real1;
            imaginary=imaginary1;
        }
        void add(Complex &t)
        {
            real=real+t.real;
            imaginary=imaginary+t.imaginary; 
        }
        void show()
        {
            cout<<real<<"+"<<imaginary<<"i"<<endl;
        }
        float mod()
        {
            float m;
            m=(sqrt(pow(real,2)+pow(imaginary,2)));
            return m;
        }
        Complex(Complex &p);
        private:
            float real;
            float imaginary;
}; 
Complex::Complex(Complex &p){
    real=p.real;
    imaginary=p.imaginary;
}

int main()
{
    Complex c1(3,5);
    Complex c2(4.5);
    c1.add(c2);
    c1.show();
    c2.show();
    cout<<c1.mod();
    return 0;
}