Compilare: user.cpp: In function ‘int main()’: user.cpp:37:16: warning: unused variable ‘nr’ [-Wunused-variable] int Max=0,nr=0,zona=26; ^ user.cpp:76:22: warning: ‘k4’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<k3<<" "<<k4<<'\n'<<car; ^ user.cpp:76:13: warning: ‘k3’ may be used uninitialized in this function [-Wmaybe-uninitialized] g<<k3<<" "<<k4<<'\n'<<car; ^ user.cpp:36:11: warning: ‘car’ may be used uninitialized in this function [-Wmaybe-uninitialized] char car; ^