调试中...
行 1，列 1
urls =
["http://news.yahoo.com","http://news.yahoo.com/news","http://news.yahoo.com/news/topics/","http://news.google.com","http://news.yahoo.com/us"]
edges =
[[2,0],[2,1],[3,2],[3,1],[0,4]]
startUrl =
"http://news.yahoo.com/news/topics/"
["http://news.yahoo.com","http://news.yahoo.com/news","http://news.yahoo.com/news/topics/","http://news.google.com","http://news.yahoo.com/us"]
[[2,0],[2,1],[3,2],[3,1],[0,4]]
"http://news.yahoo.com/news/topics/"
["http://news.yahoo.com","http://news.yahoo.com/news","http://news.yahoo.com/news/topics/","http://news.google.com"]
[[0,2],[2,1],[3,2],[3,1],[3,0]]
"http://news.google.com"