Compilare: user.c: In function ‘main’: user.c:14:11: warning: format ‘%d’ expects argument of type ‘int *’, but argument 3 has type ‘long long unsigned int *’ [-Wformat=] fscanf(f,"%I64d",&j); ^ user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%ld",&n); ^ user.c:14:17: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(f,"%I64d",&j); ^