Compilare: user.cpp:9:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp:15:1: warning: ‘typedef’ was ignored in this declaration [enabled by default] }; ^ user.cpp: In function ‘int main()’: user.cpp:161:36: warning: the address of ‘time_t time(time_t*)’ will always evaluate as ‘true’ [-Waddress] fout<<setprecision(12)<<fixed<<time<<' '<<cost<<'\n'; ^