Eroare de compilare: user.cpp:3: error: expected unqualified-id before string constant user.cpp:3: error: expected `)' before string constant user.cpp:4: error: expected unqualified-id before string constant user.cpp:4: error: expected `)' before string constant user.cpp: In function 'int main()': user.cpp:8: error: 'f' was not declared in this scope user.cpp:9: error: 'i' was not declared in this scope user.cpp:12: error: 'euclid' was not declared in this scope user.cpp:13: error: 'g' was not declared in this scope user.cpp:13: error: 'b' was not declared in this scope user.cpp: In function 'int euclid(int, int)': user.cpp:19: error: 'r' was not declared in this scope