Compilare: user.cpp: In function `int main()': user.cpp:6: warning: unknown conversion type character `/' in format user.cpp:6: warning: too many arguments for format user.cpp:8: warning: format argument is not a pointer (arg 3) user.cpp:3: warning: `long int t' might be used uninitialized in this function user.cpp:22:1: warning: no newline at end of file