Compilare: user.cpp:63:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:28: warning: format '%lf' expects type 'double*', but argument 2 has type 'long double*' user.cpp:28: warning: format '%lf' expects type 'double*', but argument 3 has type 'long double*' user.cpp:61: warning: format '%lf' expects type 'double', but argument 2 has type 'long double' user.cpp:61: warning: format '%lf' expects type 'double', but argument 3 has type 'long double'