Compilare: user.c: In function ‘main’: user.c:29:9: warning: format ‘%d’ expects argument of type ‘int’, but argument 2 has type ‘long long int’ [-Wformat=] printf("%d\n",i+1); ^ user.c:16:23: warning: unused variable ‘x’ [-Wunused-variable] long long p,i,pas,x; ^ user.c:17:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("fact.in","r",stdin); ^ user.c:18:12: warning: ignoring return value of ‘freopen’, declared with attribute warn_unused_result [-Wunused-result] freopen("fact.out","w",stdout); ^ user.c:19:10: warning: ignoring return value of ‘scanf’, declared with attribute warn_unused_result [-Wunused-result] scanf("%lld",&p); ^