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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. double funktion(double &x);
  5.  
  6. int main(){
  7.     double A = 2;
  8.     double B = 3;
  9.     double summa = 0;
  10.     summa = funktion(A) + funktion(B);
  11.     cout << summa;
  12. }
  13.  
  14. double funktion(double &x){
  15.     x = x+x;
  16.  
  17. }
Success #stdin #stdout 0s 3468KB
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https://ideone.com/RnVjXH
language:
C++14 (gcc 8.3)
created:
7 years ago
visibility:
public

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