1 #include <iostream>
 2 #include <vector>
 3 #include <algorithm>
 4 using namespace std;
 5 
 6 
 7 class Complex{
 8 private:
 9     int real;
10     int imagine;
11 public:
12     Complex(int r = 0,int i = 0){
13         real = r;
14         imagine = i;
15     }
16     friend ostream & operator <<(ostream &dout,const Complex &c){
17         dout << ‘(‘ << c.real << ‘,‘ << c.imagine << ‘)‘ << endl;
18         return dout;
19     }
20     void set_real(int r){
21         real = r;
22     }
23     void set_imagine(int i){
24         imagine = i;
25     }
26     int get_real(){
27         return real;
28     }
29     int get_imagine(){
30         return imagine;
31     }
32 };