public void AddUsePackage(Package package)
{
if (!UseList.Contains(package))
{
UseList.Insert(0, package);
}
}
public void RemoveUsePackage(Package package)
{
if (UseList.Contains(package))
{
UseList.Remove(package);
}
}
public object Clone()
{
UseList returnValue = new UseList();
returnValue.AddRange(this);
return(returnValue);
}
public IList <IList <int> > SubsetsWithDup(int[] nums)
{
IList <IList <int> > returnValue = new List <IList <int> >();
var useNums = nums.OrderBy(k => k);
int length = useNums.Count();
HashSet <UseList> useSet = new HashSet <UseList>();
useSet.Add(new UseList());
for (int i = 0; i < length; i++)
{
HashSet <UseList> tempSet = new HashSet <UseList>();
var tempLst = new UseList()
{
useNums.ElementAt(i)
};
tempSet.Add(tempLst);
List <UseList> tempLstLst = new List <UseList>();
for (int j = i + 1; j < length; j++)
{
foreach (var oneValue in tempSet)
{
tempLst = oneValue.Clone() as UseList;
tempLst.Add(useNums.ElementAt(j));
tempLstLst.Add(tempLst);
}
foreach (var oneValue in tempLstLst)
{
tempSet.Add(oneValue);
}
}
foreach (var oneValue in tempSet)
{
useSet.Add(oneValue);
}
}
foreach (var oneValue in useSet)
{
returnValue.Add(oneValue);
}
return(returnValue);
}
