Compilare: user.cpp: In function 'int main()': user.cpp:39: warning: format '%d' expects type 'int*', but argument 3 has type 'long unsigned int*' user.cpp: In function 'long unsigned int f(long int, long int, long int)': user.cpp:8: warning: 'j' may be used uninitialized in this function user.cpp: In function 'int main()': user.cpp:36: warning: 'j' may be used uninitialized in this function