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能否圈覆盖是说能否拆分成某几个圈的并么？

Posted by wywcgs at 2008-12-09 16:18:35
In Reply To:传说图能否圈覆盖等价于判断拆点后二分图是否有完美匹配 Posted by:LiZhiXu at 2008-12-07 18:03:43 
要是这样貌似等价于各连通分支是否有欧拉回路吧。
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