public static void TwoTeams()
{
var n = Convert.ToInt32(Console.ReadLine());
visited = new bool[n];
used = new int[n];
for (int i = 0; i < n; i++)
{
var members = Console.ReadLine().Split(' ').Select(x => Int32.Parse(x) - 1).ToList();
members.Remove(members.Last());
AdjacencyList.Add(members);
}
for (int i = 0; i < n; i++)
{
if (!visited[i])
{
BFS(i);
}
}
var teamFirst = new List <int>();
for (int i = 0; i < used.Length; i++)
{
if (used[i] % 2 == 0)
{
teamFirst.Add(i + 1);
}
}
Console.WriteLine(teamFirst.Count);
Console.WriteLine(String.Join(" ", teamFirst));
}
public GraphNode <T> AddNode(T value)
{
GraphNode <T> node = new GraphNode <T>(value);
AdjacencyList.Add(node, new List <Edge <T> >());
_size++;
return(node);
}
public void AddVertex(Person obj)
{
Vertices.Add(obj);
AdjacencyList.Add(new List <int>());
}