Compilare: user.cpp:7: warning: ‘typedef’ was ignored in this declaration user.cpp: In function ‘int main()’: user.cpp:29: warning: unused variable ‘c’ user.cpp:34: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:38: warning: ignoring return value of ‘int fscanf(FILE*, const char*, ...)’, declared with attribute warn_unused_result user.cpp:31: warning: ‘y.zero::y’ may be used uninitialized in this function user.cpp:31: warning: ‘y.zero::x’ may be used uninitialized in this function user.cpp:31: warning: ‘x.zero::y’ may be used uninitialized in this function user.cpp:31: warning: ‘x.zero::x’ may be used uninitialized in this function