// add all items to copy of heap
// takes linear time since already in heap order so no Keys move
public HeapMinPQEnumerator(IComparer <T> comparator, int size, int n, IList <T> pq)
{
_copy = comparator == null ? new MinPQ <T>(size) : new MinPQ <T>(size, comparator);
for (var i = 1; i <= n; i++)
{
_copy.Insert(pq[i]);
}
}
public TopM(ICollection <string> a)
{
_m = a.Count;
_pq = new MinPQ <Transaction>(_m + 1);
InsertTransactions(a);
}