public static void getArr(int n, int m, int[] a) {List<Integer> lists = new ArrayList<Integer>(); int flag = 0; int k = 0; int count = 0; while(count < n) { if(k == m) k = 0; lists.add(a[k]); for(int i = 0; i < lists.get(count) - 1; i++) { lists.add(a[k]); } k++; count++; } System.out.println(lists.size()); for (int j = 0; j < n; j++) System.out.println(lists.get(j)); }