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Re:还是不明白下面大牛提到的相对偏移

Posted by lithum at 2009-07-24 16:29:25 on Problem 1182
In Reply To:还是不明白下面大牛提到的相对偏移 Posted by:swordspirit at 2009-07-24 15:23:13 
> 利用相对于根的关系来判断的确很高明，将所有事物分为食物、同类和天敌，然后通过模运算判断是否矛盾。可是我没想明白怎么得到相对偏移的，如果给出的是两两间的关系，每行之间没有关联，那么到最后要查找是否矛盾的时候就必须在以上孤立关系（我的理解是图论中孤立的边）中查找，而这应该会超时吧～
> 请高手指点一二～～
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