Eroare de compilare: user.cpp:12: error: integer constant is too large for 'long' type user.cpp:12: warning: overflow in implicit constant conversion user.cpp: In function 'void read_data()': user.cpp:27: warning: format '%lf' expects type 'double*', but argument 4 has type 'long double*' user.cpp: In function 'int main()': user.cpp:74: warning: format '%.3lf' expects type 'double', but argument 2 has type 'long double' user.cpp:74: warning: format '%.3lf' expects type 'double', but argument 3 has type 'long double'