Compilare: user.cpp: In function ‘int main()’: user.cpp:56:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=] printf("%d ", s.pord); ^ user.cpp:65:29: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=] printf("%d ", s.pord); ^ user.cpp:67:27: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long unsigned int’ [-Wformat=] printf("\n%d\n", s.ord); ^ user.cpp:33:11: warning: variable ‘F’ set but not used [-Wunused-but-set-variable] FILE *F; ^ user.cpp:37:12: warning: variable ‘err’ set but not used [-Wunused-but-set-variable] int i, err; ^