1.1、经典图算法:http://www.cnitblog.com/cockerel/archive/2006/07/07/13361.aspx
1.2、判断单链表中是否存在环及查找环的入口点:
http://hi.baidu.com/iwitggwg/item/7ad684119a27fefc9c778a5c
1.3、判断无向图是否有回路:http://blog.youkuaiyun.com/changbaolong/article/details/7438488
1.1、经典图算法:http://www.cnitblog.com/cockerel/archive/2006/07/07/13361.aspx
1.2、判断单链表中是否存在环及查找环的入口点:
http://hi.baidu.com/iwitggwg/item/7ad684119a27fefc9c778a5c
1.3、判断无向图是否有回路:http://blog.youkuaiyun.com/changbaolong/article/details/7438488