Compilare: user.cpp: In function ‘std::string get_f_name(int&)’: user.cpp:16:23: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] while(p<path.size()&&path[p]!='('&&path[p]!=')'&&path[p]!=','){ ^ user.cpp: In function ‘int main()’: user.cpp:33:30: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<path.size(); i++){ ^ user.cpp:52:31: warning: comparison between signed and unsigned integer expressions [-Wsign-compare] for(int i=0; i<paths.size(); i++)out<<paths[i]<<"\n"; ^