Compilare: user.cpp:31:2: warning: no newline at end of file user.cpp: In function 'void date()': user.cpp:6: warning: format '%d' expects type 'int*', but argument 3 has type 'long unsigned int*' user.cpp:7: warning: comparison between signed and unsigned integer expressions user.cpp: In function 'int main()': user.cpp:11: warning: comparison between signed and unsigned integer expressions user.cpp:12: warning: comparison between signed and unsigned integer expressions user.cpp:13: warning: comparison between signed and unsigned integer expressions user.cpp:14: warning: comparison between signed and unsigned integer expressions user.cpp:15: warning: comparison between signed and unsigned integer expressions user.cpp:16: warning: comparison between signed and unsigned integer expressions