private void FormSets(List <List <Task> > allTasks, int index, List <Task> currentSet)
{
foreach (Task t in allTasks[index])
{
List <Task> cloneSet = new List <Task>(currentSet);
cloneSet.Add(t);
if (index < allTasks.Count - 1)
{
index++;
FormSets(allTasks, index, cloneSet);
index--;
}
else
{
TaskSet set = new TaskSet(cloneSet);
CalculateSetUtility(set);
if (this.bestSet == null)
{
bestSet = set;
}
else
{
if (set.GetCost() < bestSet.GetCost())
{
bestSet = set;
}
}
}
}
}