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  1. #include <iostream>
  2. using namespace std;
  3.  
  4. int main() {
  5. 	// your code goes here
  6. 	goto a1;
  7. 	a2:
  8. 	a=1;
  9. 	goto a3;
  10. 	a1:
  11. 	int a;
  12. 	goto a2;
  13. 	a3:
  14. 	return 0;
  15. }
Compilation error #stdin compilation error #stdout 0s 0KB
comments (?)
stdin
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Standard input is empty
compilation info 
prog.cpp: In function ‘int main()’:
prog.cpp:8:2: error: ‘a’ was not declared in this scope
  a=1;
  ^
stdout
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Standard output is empty
https://ideone.com/zxx1NP
language:
C++14 (gcc 8.3)
created:
9 years ago
visibility:
public

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