#include <iostream>
using namespace std;
class Complex {
private: int real,imag,three,four;
public: Complex(int r=0, int i=0) {
real = r;
imag = i;
}
Complex operator + (Complex obj) {
Complex res;
res.real = real + obj.real;
res.imag = imag + obj.imag;
return res;
}
Complex operator - (Complex obj) {
Complex res;
res.real = real - obj.real;
res.imag = imag - obj.imag;
return res;
}
Complex operator * (Complex obj) {
Complex res;
res.real = real * obj.real;
res.three = real * obj.imag;
res.four = imag * obj.real;
res.imag = imag * obj.imag;
return res;
}
void printAdd() {
cout << real << " + i" << imag << endl;
}
void printSub() {
cout << real << " - i" << imag << endl;
}
void printMul() {
cout << real << " + i" << three << " + " << four << " + i" << imag << endl;
}
};
int main() {
Complex c1 = Complex(10, 5);
Complex c2 = Complex(2, 3);
Complex add = c1 + c2;
Complex sub = c1 - c2;
Complex mul = c1 * c2;
add.printAdd();
sub.printSub();
mul.printMul();
return 0;
}
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