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  1. #include <iostream>
  2. #include <cmath>
  3. using namespace std;
  4.  
  5. int f()
  6. {
  7. 	int sum=a+b;
  8. 	return sum;
  9. }
  10. int main()
  11. {
  12. 	cout<<"Vvedite chislo ot 1 do 9 :";
  13. 	int a;
  14. 	cin>>a;
  15. 	cout<<"Vvedite chislo ot 1 do 9 :";
  16. 	int b;
  17. 	cin>>b;
  18. 	int result= f();
  19. 	cout<<result<<endl;
  20. }
Compilation error #stdin compilation error #stdout 0s 15232KB
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stdin
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3
4
compilation info 
prog.cpp: In function ‘int f()’:
prog.cpp:7:10: error: ‘a’ was not declared in this scope
  int sum=a+b;
          ^
prog.cpp:7:12: error: ‘b’ was not declared in this scope
  int sum=a+b;
            ^
stdout
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Standard output is empty
https://ideone.com/Zoi56K
language:
C++ (gcc 8.3)
created:
5 years ago
visibility:
public

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