Eroare de compilare in evaluator: user.cpp:50:2: warning: no newline at end of file user.cpp:13: error: ISO C++ forbids declaration of 'nod' with no type user.cpp:13: error: expected ';' before '*' token user.cpp:14: error: multiple types in one declaration user.cpp:14: error: declaration does not declare anything user.cpp: In function 'int main()': user.cpp:26: error: 'c' was not declared in this scope user.cpp:36: error: expected primary-expression before '}' token user.cpp:36: error: expected `;' before '}' token