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  1. #include <iostream>
  2. #include <typeinfo>
  3.  
  4. using namespace std;
  5.  
  6. int c=1,d=2;
  7. int& a=c, b=d;
  8.  
  9. int main() {
  10. 	register auto tmp = a;
  11. 	a=b;
  12. 	b=tmp;
  13. 	cout
  14. 		<<a<<" "<<b<<endl
  15. 		<<typeid(tmp).name();
  16. 	return 0;
  17. }
Success #stdin #stdout 0s 2884KB
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2 1
i
https://ideone.com/DzIRA
language:
C++14 (gcc 8.3)
created:
13 years ago
visibility:
public

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