public static void main(String[] args) { QuickUnionUF qc = new QuickUnionUF(10); qc.union(4, 3); qc.union(3, 8); qc.union(6, 5); qc.union(9, 4); qc.union(2, 1); qc.union(5, 0); qc.union(7, 2); qc.union(6, 1); qc.union(7, 3); System.out.println(Arrays.toString(qc.id)); }