Compilare: user.cpp: In function ‘int main()’: user.cpp:29:14: warning: ‘sf’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<st<<' '<<sf<<' '<<maxi<<'\n'; ^ user.cpp:29:5: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<st<<' '<<sf<<' '<<maxi<<'\n'; ^