public Question3() {
   QuickUnionUF qu1 = new QuickUnionUF(10);
   QuickUnionUF qu2 = new QuickUnionUF(10);
   QuickUnionUF qu3 = new QuickUnionUF(10);
   QuickUnionUF qu4 = new QuickUnionUF(10);
   QuickUnionUF qu5 = new QuickUnionUF(10);
   qu1.setId(id[0]);
   qu2.setId(id[1]);
   qu3.setId(id[2]);
   qu4.setId(id[3]);
   qu5.setId(id[4]);
   drawGraph(qu1);
   // drawGraph(qu2);
   drawGraph(qu3);
   drawGraph(qu4);
   drawGraph(qu5);
 }