Compilare: user.cpp:1:2: warning: #import is a deprecated GCC extension [-Wdeprecated] #import<fstream> ^ user.cpp:2:6: warning: ISO C++ forbids declaration of ‘main’ with no type [-Wreturn-type] main(){int a,b;std::ifstream("tabela.in")>>a>>b;std::ofstream("tabela.out")<<((a-1)^(b-1));} ^