Compilare: user.c: In function ‘tipar’: user.c:23:5: warning: format ‘%d’ expects a matching ‘int’ argument [-Wformat=] printf("%d\n"); ^ user.c: In function ‘main’: user.c:41:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("permutari.in","r",stdin); ^ user.c:42:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("permutari.out","w",stdout); ^ user.c:43:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%d", &n); ^