Compilare: user.cpp:31:2: warning: no newline at end of file user.cpp: In function 'int main()': user.cpp:26: warning: format '%lu' expects type 'long unsigned int*', but argument 2 has type 'long long int*' user.cpp:26: warning: format '%lu' expects type 'long unsigned int*', but argument 3 has type 'long long int*' user.cpp:29: warning: unknown conversion type character 0xa in format user.cpp:29: warning: too many arguments for format