Compilare: user.c: In function ‘main’: user.c:27:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d%lld", &n, &b); ^ user.c:29:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(in, "%d", &v[i]); ^ user.c:42:9: warning: ‘rez’ may be used uninitialized in this function [-Wmaybe-uninitialized] rez += (b - sum) / (n - i); ^