// --------------------------------------------------------------------
public string PuzzleB(StepRules rules, int availableWorkers, int timeAdder = 0)
{
int seconds = 0;
var wp = new WorkProcessor(availableWorkers);
wp.TimeAdder = timeAdder;
List <string> ready;
while (true)
{
ready = rules.GetReadySteps();
wp.LoadWorkQueue(ref ready);
if (wp.IsTaskQueueEmpty())
{
break;
}
var completed = wp.ProcessQueue();
seconds++;
rules.RemoveDependencies(completed);
}
return(seconds.ToString());
}
