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  1. #include <iostream>
  2.  
  3. int& foo()
  4. {
  5. 	int a = 0;
  6. 	return a;
  7. }
  8.  
  9. int& bar()
  10. {
  11. 	int a = 10;
  12. 	return a;
  13. }
  14.  
  15. int main()
  16. {
  17. 	int& k = foo();
  18. 	std::cout << k << std::endl;
  19. 	bar();
  20. 	std::cout << k << std::endl;
  21. 	return 0;
  22. }
Runtime error #stdin #stdout 0s 3452KB
comments (?)
stdin 
Standard input is empty
stdout 
Standard output is empty
https://ideone.com/kFOQDR
language:
C++14 (gcc 8.3)
created:
8 years ago
visibility:
public

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