Michail7

private void findRoute(int[][] a, int v, int dest, int n, bool[] visited, string route)
    {
        if (v == dest)
        {
            richTextBox1.Text += route + "\n";
        }
        else
        {
            visited[v] = true;
            for (int i = 0; i < n; i++)
            {
                if (a[v][i] == 1 && !visited[i])
                {
                    findRoute(a, i, dest, n, visited, route + (i+1) + " ");
                }
            }
            visited[v] = false;
        }
    }