public GraphProperties(Graph graph)
{
this.graph = graph;
BfsPaths bfsPaths = new BfsPaths(graph, 0);
for (int v = 0; v < graph.V; v++)
{
pathLens.Add(v, bfsPaths.HasPathTo(v) ? bfsPaths.DistTo(v) : -1);
}
int max = int.MinValue;
int min = int.MaxValue;
foreach (var kvp in pathLens)
{
if (kvp.Value == -1)
{
continue;
}
if (kvp.Value > max)
{
max = kvp.Value;
maxVertexIndex = kvp.Key;
}
if (kvp.Value < min)
{
min = kvp.Value;
minVertexIndex = kvp.Key;
}
}
if (max == int.MinValue)
{
maxVertexIndex = -1;
}
if (min == int.MaxValue)
{
minVertexIndex = -1;
}
}