Compilare: user.cpp: In function ‘int main()’: user.cpp:17:21: warning: format ‘%u’ expects argument of type ‘unsigned int*’, but argument 3 has type ‘long unsigned int*’ [-Wformat=] fscanf(f,"%u",&n); ^ user.cpp:20:25: warning: format ‘%u’ expects argument of type ‘unsigned int*’, but argument 3 has type ‘long unsigned int*’ [-Wformat=] fscanf(f,"%u",&x); ^ user.cpp:23:27: warning: format ‘%u’ expects argument of type ‘unsigned int’, but argument 3 has type ‘long unsigned int’ [-Wformat=] fprintf(g,"%u\n",s); ^