Compilare: user.cpp: In function ‘int main()’: user.cpp:34:27: warning: ‘st2’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<ma-mi2<<" "<<st2<<" "<<dr; ^ user.cpp:34:17: warning: ‘mi2’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<ma-mi2<<" "<<st2<<" "<<dr; ^ user.cpp:36:37: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<ma-mi<<" "<<st<<" "<<dr; ^ user.cpp:21:13: warning: ‘ok’ may be used uninitialized in this function [-Wmaybe-uninitialized] if(ok==true) ^