Compilare: main.cpp: In function 'int main()': main.cpp:27:55: warning: 'c' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<"1\n"<<k<<' '<<k+1<<' '<<'\n'<<b<<'\n'<<c<<'\n'<<f3; ^~~~ main.cpp:27:46: warning: 'b' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<"1\n"<<k<<' '<<k+1<<' '<<'\n'<<b<<'\n'<<c<<'\n'<<f3; ^~~~ main.cpp:25:48: warning: 'a' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<"0\n"<<k-1<<' '<<k+1<<' '<<'\n'<<a<<'\n'<<c<<'\n'<<f3; ^~~~ main.cpp:27:63: warning: 'f3' may be used uninitialized in this function [-Wmaybe-uninitialized] g<<"1\n"<<k<<' '<<k+1<<' '<<'\n'<<b<<'\n'<<c<<'\n'<<f3; ^