Compilare: user.c: In function ‘main’: user.c:9:8: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:12:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &e); ^ user.c:21:9: warning: ‘maxi’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d %d", maxi + 1, maxi + 1, 2 * max); ^