Example #1
0
void main(int argc, char* argv[])
{
	Dijkstra* sPath = new Dijkstra();

	Vertex* head = new Vertex(0,"v1");

	//BUG: the comparison on the Vertex* will fail during insert/remove
	BinaryHeap<Vertex*>* pQ = new BinaryHeap<Vertex*>();
	pQ->Insert(head);

	Vertex* current = pQ->RemoveMin();
	sPath->ShortestPath(current, pQ);

	getchar();
}
Example #2
0
/*
 * Main Contains Menu
 */
int main()
{
    BinaryHeap h;
    while (1)
    {
        cout<<"------------------"<<endl;
        cout<<"Operations on Heap"<<endl;
        cout<<"------------------"<<endl;
        cout<<"1.Insert Element"<<endl;
        cout<<"2.Delete Minimum Element"<<endl;
        cout<<"3.Extract Minimum Element"<<endl;
        cout<<"4.Print Heap"<<endl;
        cout<<"5.Exit"<<endl;
        int choice, element;
        cout<<"Enter your choice: ";
        cin>>choice;
        switch(choice)
        {
        case 1:
            cout<<"Enter the element to be inserted: ";
            cin>>element;
            h.Insert(element);
            break;
        case 2:
            h.DeleteMin();
            break;
        case 3:
            cout<<"Minimum Element: ";
            if (h.ExtractMin() == -1)
            {
                cout<<"Heap is Empty"<<endl;
            }
            else
                cout<<"Minimum Element:  "<<h.ExtractMin()<<endl;
            break;
        case 4:
            cout<<"Displaying elements of Hwap:  ";
            h.DisplayHeap();
            break;
        case 5:
            exit(1);
        default:
            cout<<"Enter Correct Choice"<<endl;
        }
    }
    return 0;
}