//1、定义复数类Complex，使其包含两个私有数据成员：实部float real和虚部float imag;
//2、定义并实现该类的带参数构造函数且带有缺省值0;
//3、定义并实现能够完成两个Complex类对象加法的运算符重载函数;
//4、定义并实现能够输出Complex类对象的流插入符的运算符重载函数;
//5、在main函数中对上述设计进行测试。
#include
using namespace std;
class Complex{
private:
float real;
float imag;
public:
Complex()
{
real=0;imag=0;
}
Complex(float r,float i)
{
real=r;imag=i;
}
friend Complex operator+(const Complex&c1,const Complex&c2){
Complex c;
c.real=c1.real+c2.real;
c.imag=c1.imag+c2.imag;
return c;
}
friend ostream &operator<<(ostream&output,Complex &c){
output<
if(c.imag>0){
output<<"+";
output<<c.imag<<"i";
}
else if(c.imag==0){
output<<endl;}
else if(c.imag<0){
output<<c.imag<<"i";
return output;}
}
};
int main(){
Complex c1,c2(2),c3(3,4),c4(3,-5),c5;
c5=c2+c4;
cout<<"c1="<<c1<<endl;
cout<<"c2="<<c2<<endl;
return 0;
}
[Error] C:\Users\Administrator\Documents\C-Free\Temp\未命名1.cpp:42: error: no matching function for call to `Complex::Complex(int)'
[Warning] C:\Users\Administrator\Documents\C-Free\Temp\未命名1.cpp:8: note: candidates are: Complex::Complex(const Complex&)
[Warning] C:\Users\Administrator\Documents\C-Free\Temp\未命名1.cpp:18: note: Complex::Complex(float, float)
[Warning] C:\Users\Administrator\Documents\C-Free\Temp\未命名1.cpp:14: note: Complex::Complex()
