internal string Solve(string[] dependency)
{
Dictionary <string, List <string> > adjGraph = null;
try
{
adjGraph = ComputeAdjGraph(dependency);
}
catch (Exception ex)
{
throw new ArgumentException("dependency", ex);
}
var result = GraphSearch.DFSTraversal <string>(adjGraph);
return(string.Join(Seprator,
result.OrderByDescending(s => s.Value.EndTime).Select(s => s.Key)));
}
