/in/foo.cc: In function 'std::ostream& operator<<(std::ostream&, const Complex&)':
/in/foo.cc:17:26: error: assignment of member 'Complex::imag' in read-only object
   17 |                 if(c.imag=0){
      |                    ~~~~~~^~
/in/foo.cc: In function 'int main()':
/in/foo.cc:25:45: error: a function-definition is not allowed here before '{' token
   25 |         void bubbleSort(Complex arr[],int n){
      |                                             ^
/in/foo.cc:36:5: error: 'real1' was not declared in this scope
   36 |     real1,imag1,real2,imag2,real3,imag3;
      |     ^~~~~
/in/foo.cc:36:11: error: 'imag1' was not declared in this scope
   36 |     real1,imag1,real2,imag2,real3,imag3;
      |           ^~~~~
/in/foo.cc:36:17: error: 'real2' was not declared in this scope
   36 |     real1,imag1,real2,imag2,real3,imag3;
      |                 ^~~~~
/in/foo.cc:36:23: error: 'imag2' was not declared in this scope
   36 |     real1,imag1,real2,imag2,real3,imag3;
      |                       ^~~~~
/in/foo.cc:36:29: error: 'real3' was not declared in this scope
   36 |     real1,imag1,real2,imag2,real3,imag3;
      |                             ^~~~~
/in/foo.cc:36:35: error: 'imag3' was not declared in this scope
   36 |     real1,imag1,real2,imag2,real3,imag3;
      |                                   ^~~~~
/in/foo.cc:44:5: error: 'bubbleSort' was not declared in this scope
   44 |     bubbleSort(arr,3);
      |     ^~~~~~~~~~