public void DGraph_has_cycle()
{
DGraph<int> g = null;
using (var reader = File.OpenText(@"C:\rajiv\DSinCS\DataStructures\DSTests\graph1.txt"))
while (!reader.EndOfStream)
{
var V = uint.Parse(reader.ReadLine().Trim());
g = new DGraph<int>(V);
while (!reader.EndOfStream)
{
var inp = reader.ReadLine().Split(new char[] { ' ' }).Select(int.Parse).ToArray();
g.AddEdge(inp[0], inp[1]);
}
}
foreach (var e in g.BfsPathTo(0, 9))
{
Console.WriteLine($"{e} ");
}
foreach (var e in g.DfsPathTo(0, 4))
{
Console.WriteLine($"{e} ");
}
Console.WriteLine($"check cycle from a node 7 :{g.HasCycle(7)}");
Console.WriteLine($"check cycle from a node 0 :{g.HasCycle(0)}");
foreach (var e in g.DfsPathToNon(0, 4))
{
Console.WriteLine($"{e} ");
}
}