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C++ DoubleLinkedList::AddFront方法代码示例

本文整理汇总了C++中DoubleLinkedList::AddFront方法的典型用法代码示例。如果您正苦于以下问题:C++ DoubleLinkedList::AddFront方法的具体用法?C++ DoubleLinkedList::AddFront怎么用?C++ DoubleLinkedList::AddFront使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在DoubleLinkedList的用法示例。


在下文中一共展示了DoubleLinkedList::AddFront方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: Dijkstra

DoubleLinkedList<GraphNode *> Dijkstra(GraphNode *Start, GraphNode * End)
{
	Map<GraphNode *, DijkstraHelperNode *> NodeHelperMap;
	DoubleLinkedList<DijkstraHelperNode *> Visited;
	MinHeap<DijkstraHelperNode *> OpenHeap;
	DijkstraHelperNode *NewHelper = new DijkstraHelperNode();
	NewHelper->m_Node = Start;
	NewHelper->m_Cost = 0;
	NodeHelperMap.Insert(Start, NewHelper);
	OpenHeap.Insert(NewHelper);
	while(!OpenHeap.IsEmpty())
	{
		DijkstraHelperNode *CurrentHelperNode = OpenHeap.PopTop();
		assert(CurrentHelperNode != NULL);
		GraphNode *CurrentGraphNode = CurrentHelperNode->m_Node;
		assert(CurrentGraphNode != NULL);
		DoubleLinkedList<GraphEdge *> *CurrendEdges = CurrentGraphNode->GetEdges();
		DoubleListNode<GraphEdge *> *CurrentEdge = CurrentEdges.GetHead();
		while(CurrentEdge != NULL)
		{
			GraphNode *OtherNode = CurrentEdge->m_End;
			if(OtherNode == CurrentGraphNode)
			{
				OtherNode = CurrentEdge->m_Start;
			}
			assert(OtherNode != CurrentGraphNode);
			DijkstraHelperNode *NodeHelper = NodeHelperMap.GetValue(OtherNode);
			if(NodeHelper == NULL)
			{
 				NodeHelper = new DijkstraHelperNode();
				NodeHelper->m_Node = OtherNode;
				NodeHelperMap.Insert(OtherNode, NodeHelper);		
				OpenHeap.Insert(NodeHelper);
			}
			int CostToNode = CurrentHelperNode->m_Cost + CurrentEdge->m_Cost;
			if(CostToNode < NodeHelper->m_Cost)
			{		
				NodeHelper->m_Cost = CostToNode;
				NodeHelper->m_Previous = CurrentGraphNode;
				OpenHeap.Update(NodeHelper);
			}
			if(OtherNode == End)
			{
				break;
			}
		}
	}

	DoubleLinkedList<GraphNode *> Path;
	DijkstraHelperNode *EndHelper = NodeHelperMap.GetValue(End);
	if(EndHelper != NULL)
	{
		DijkstraHelperNode *CurrentHelper = EndHelper;
		while(CurrentHelper != NULL)
		{
			Path.AddFront(CurrentHelper->m_Node);
			CurrentHelper = CurrentHelper->m_Previous;
		}
	}
}
开发者ID:frods,项目名称:codebase,代码行数:60,代码来源:dijkstra.cpp


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