Compilare: user.c: In function ‘main’: user.c:10:11: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &n); ^ user.c:12:13: warning: ignoring return value of ‘fscanf’, declared with attribute warn_unused_result [-Wunused-result] fscanf(fin, "%d", &v[i]); ^ user.c:31:14: warning: ‘drmin’ may be used uninitialized in this function [-Wmaybe-uninitialized] fprintf(fout, "%d %d %d\n", smin, stmin+1, drmin+1); ^ user.c:31:14: warning: ‘stmin’ may be used uninitialized in this function [-Wmaybe-uninitialized]