Eroare de compilare in evaluator: user.cpp:22:3: warning: no newline at end of file user.cpp:1: error: expected constructor, destructor, or type conversion before '<' token user.cpp:4: error: 'ifstream' does not name a type user.cpp:5: error: 'ofstream' does not name a type user.cpp: In function 'int main()': user.cpp:8: error: 'f' was not declared in this scope user.cpp:8: error: 'n' was not declared in this scope user.cpp:9: error: 'i' was not declared in this scope user.cpp:14: error: 'nr' was not declared in this scope user.cpp:15: error: 'j' was not declared in this scope user.cpp:18: error: 'g' was not declared in this scope user.cpp:18: error: 'nr' was not declared in this scope