Compilare: user.c: In function ‘cit’: user.c:12:29: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] if (pz == dim) fread(ax, 1, dim, stdin), pz = 0; ^ user.c:16:29: warning: ignoring return value of ‘fread’, declared with attribute warn_unused_result [-Wunused-result] if (pz == dim) fread(ax, 1, dim, stdin), pz = 0; ^ user.c: In function ‘main’: user.c:29:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("propozitie.in", "r", stdin); ^ user.c:30:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("propozitie.out", "w", stdout); ^ user.c:31:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d %d\n", &n, &k); ^ user.c:35:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%s", s + 1); ^