public static void main(String[] args){ Scanner sc = new Scanner(System.in); int n = sc.nextInt(); if(n<1)return ; String s=sc.next(); char li[]=s.toCharArray(); HashSet num=new HashSet(); for(int i=0;i<n;i++){ char a=li[i]; if(a=='#') continue; else if(a=='X') continue; else { int b=a-'0'; in...