Compilare: user.c: In function ‘main’: user.c:10:9: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d%d", &n, &k); ^ user.c:12:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^ user.c:26:10: warning: ‘dr’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(ofut, "%d %d %d\n", st + 1, dr + 1, ans); ^ user.c:26:10: warning: ‘st’ may be used uninitialized in this function [-Wmaybe-uninitialized]