import java.util.*; import java.io.*; class F{ public static void main(String[] args) { Scanner sc=new Scanner(System.in); int n=sc.nextInt(); int[] a=new int[n]; for (int i=0;i b=new ArrayList(); b=find_S(a,n); int[] c=new int[b.size()]; for (int i=0;i find_S(int[] a,int n){ ArrayList b=new ArrayList(); for (int k=0;k