Compilare: main.cpp: In function 'int main()': main.cpp:38:29: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] 38 | out << a << ' ' << b << '\n'; | ^~~~ main.cpp:38:17: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] 38 | out << a << ' ' << b << '\n'; | ^~~