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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. void foov(int x)
  5. {
  6. 	cout << "> foov x=" << x << endl;
  7. 	x = 55;
  8. 	cout << "< foov x=" << x << endl;
  9. }
  10.  
  11. void foor(int& x)
  12. {
  13. 	cout << "> foor x=" << x << endl;
  14. 	x = 77;
  15. 	cout << "< foor x=" << x << endl;
  16. }
  17.  
  18. int main() {
  19. 	int a = 12;
  20. 	cout << "a=" << a << endl;
  21. 	foov(a);
  22. 	cout << "a=" << a << endl;
  23. 	cout << " ---" << endl;
  24. 	cout << "a=" << a << endl;
  25. 	foor(a);
  26. 	cout << "a=" << a << endl;
  27. 	return 0;
  28. }
Success #stdin #stdout 0s 3296KB
comments (?)
stdin
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Standard input is empty
stdout
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a=12
> foov x=12
< foov x=55
a=12
 ---
a=12
> foor x=12
< foor x=77
a=77
https://ideone.com/9vTU79
language:
C++ (gcc 8.3)
created:
9 years ago
visibility:
public

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