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  1. #include<iostream>
  2. using namespace std;
  3.  
  4. class complex1
  5. {
  6.     float real,img;
  7. public:
  8.     complex1() : real(0.0), img(0.0){}
  9.     complex1(float a,float b)
  10.     {
  11.         real=a;
  12.         img=b;
  13.     }
  14.     friend complex1 sum(complex1,complex1);
  15.     friend void display(complex1);
  16. };
  17.  
  18. complex1 sum(complex1 c1,complex1 c2)
  19. {
  20.     complex1 c3;
  21.     c3.real=c1.real+c2.real;
  22.     c3.img=c1.img+c2.img;
  23.     return c3;
  24. }
  25.  
  26. void display(complex1 c)
  27. {
  28.     cout<<c.real<<"+j"<<c.img;
  29. }
  30.  
  31. int main()
  32. {
  33.     complex1 c1(100.9,200.9);
  34.     complex1 c2(50.9,50.9);
  35.     complex1 c=sum(c1,c2);
  36.     display(c);     //display and sum is given directly because it is friend
  37.     return 0;
  38. }
Success #stdin #stdout 0s 16064KB
comments (?)
stdin 
Standard input is empty
stdout 
151.8+j251.8
https://ideone.com/hBEkRg
language:
C++14 (gcc 8.3)
created:
6 years ago
visibility:
public

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