public IndexMinPQEnumerator(T[] keys, int[] pq, int[] qp, int N)
{
this.keys = keys;
this.pq = pq;
this.qp = qp;
this.N = N;
current = new IndexMinPQ <T>(keys, pq, qp, N);
}
public void Reset()
{
current = new IndexMinPQ <T>(keys, pq, qp, N);
}