Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:9: error: ‘f’ was not declared in this scope user.cpp:9: error: ‘o’ was not declared in this scope user.cpp:13: error: expected primary-expression before ‘int’ user.cpp:13: error: ‘i’ was not declared in this scope user.cpp:13: error: expected ‘;’ before ‘)’ token user.cpp:30: error: expected ‘}’ at end of input user.cpp:10: warning: unused variable ‘q’ user.cpp:30: error: expected ‘}’ at end of input