HeapPriorityQueue<Integer, Integer> heap = new HeapPriorityQueue<>();
        heap.insert(1, 1);
        heap.insert(2, 2);
        heap.insert(3, 3);
        heap.insert(4, 4);
        heap.insert(5, 5);
        heap.insert(6, 6);
        heap.insert(7, 7);
        heap.insert(8, 8);
        heap.insert(9, 9);
        heap.insert(10, 10);


        Integer [] vec=new Integer[20];
        int x=heap.getSubHeap(2, vec);
        System.out.println(vec[0]);
        System.out.println(vec[1]);
        System.out.println(vec[2]);
        System.out.println(x);