private DegeneracyResult AnalyzeDegeneracy(string file)
{
var graph = new UndirectedGraph <int, Edge <int> >();
this.rowByRow(file, row =>
{
var split = row.Split(new string[] { " " }, StringSplitOptions.RemoveEmptyEntries);
int v;
int u;
if (split.Length != 2 || !int.TryParse(split[0], out v) || !int.TryParse(split[1], out u))
{
return;
}
graph.AddVerticesAndEdge(new Edge <int>(u, v));
});
return(graph.CoreDecomposition());
}