private void strongConnect(Graph g, Node n)
        {
            n.setIndexSCC(index);
            n.setLowlink(index);

            index++;

            s.Add(n);

            foreach (Arc a in g.getArcList())
            {
                if (a.getOrigin() == n)
                {
                    if (a.getEdge().getIndexSCC() == int.MaxValue)
                    {
                        strongConnect(g, a.getEdge());
                        n.setLowlink(Math.Min(n.getLowlink(), a.getEdge().getLowlink()));
                    }
                    else if(s.Contains(a.getEdge()))
                    {
                        n.setLowlink(Math.Min(n.getLowlink(), a.getEdge().getIndexSCC()));

                    }

                }

            }

            if (n.getLowlink() == n.getIndexSCC())
            {

               scc.Add(new List<Node>());
               Node w = new Node();

                do
                {
                    w = s.Last();

                    s.Remove(s.Last());
                    scc.Last().Add(w);

                }
                while (n != w);

            }
        }