Compilare: user.cpp: In function 'int main()': user.cpp:99: warning: format '%Lf' expects type 'long double*', but argument 3 has type 'double*' user.cpp:104: warning: format '%Lf' expects type 'long double*', but argument 3 has type 'double*' user.cpp:109: warning: format '%Lf' expects type 'long double*', but argument 3 has type 'double*' user.cpp:167: warning: format '%.3Lf' expects type 'long double', but argument 3 has type 'double'