Eroare de compilare in evaluator: user.cpp:20:2: warning: no newline at end of file user.cpp:3: error: declaration does not declare anything user.cpp:3: error: expected constructor, destructor, or type conversion before ',' token user.cpp:3: error: expected constructor, destructor, or type conversion before ',' token user.cpp:3: error: expected constructor, destructor, or type conversion before ',' token user.cpp:3: error: expected constructor, destructor, or type conversion before ';' token user.cpp: In function 'int main()': user.cpp:9: error: 'n' was not declared in this scope user.cpp:11: error: 'x' was not declared in this scope user.cpp:12: error: 't' was not declared in this scope user.cpp:15: error: 'y' was not declared in this scope