Eroare de compilare: user.cpp: In function ‘int main()’: user.cpp:8: error: expected initializer before ‘fin’ user.cpp:9: error: ‘a’ was not declared in this scope user.cpp:9: error: ‘b’ was not declared in this scope user.cpp:11: error: ‘cmmdc’ was not declared in this scope user.cpp:13: error: ‘cmmdc’ was not declared in this scope user.cpp:16: error: expected ‘}’ at end of input