A Fast Priority Queue Implementation of the Dijkstra Shortest Path Algorithm

http://www.codeproject.com/Articles/24816/A-Fast-Priority-Queue-Implementation-of-the-Dijkst

http://zh.wikipedia.org/wiki/%E8%BF%AA%E7%A7%91%E6%96%AF%E5%BD%BB%E7%AE%97%E6%B3%95