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提供一组能让你的第二个代码出错的数据

Posted by changmu at 2014-08-04 15:11:39 on Problem 2230
In Reply To:求这两个代码的区别!!!!!!!!! Posted by:wjjay003 at 2012-04-25 13:38:54
3 2
2 3
1 2

出错原因是在从起点搜索到起点时可能漏掉了环。

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