Compilare: user.cpp: In function ‘int main()’: user.cpp:13:12: warning: unused variable ‘nr’ [-Wunused-variable] double nr,sol = -infinit,produs = 1; ^ user.cpp:37:10: warning: ‘L’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<L<<" "<<x1; ^ user.cpp:37:20: warning: ‘x1’ may be used uninitialized in this function [-Wmaybe-uninitialized] out<<L<<" "<<x1; ^