// listpq.h - derived class of PQ to be implemented by
//            using a sorted linked list
// cmc, 11/1/2013

#ifndef LISTPQ_H
#define LISTPQ_H

#include "pq.h"

struct Node; // defined in the implementation

class ListPQ : public PQ {

public:
    ListPQ();
    virtual void put(double);
    virtual double get();
    
private:
    Node *list;
};

#endif