Compilare: user.cpp: In function 'int main()': user.cpp:6: warning: format '%u' expects type 'unsigned int*', but argument 3 has type 'long long unsigned int*' user.cpp:6: warning: format '%u' expects type 'unsigned int*', but argument 4 has type 'long long unsigned int*' user.cpp:11: warning: unknown conversion type character 0xa in format user.cpp:11: warning: too many arguments for format