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please help my poor englishA set of friends S is maximal if every person that does not belong to S is not a friend with someone in S. 这话到底咋理解?是任何人都不能和这个set中的任何人有关系么? 感觉直观的理解会和样例有冲突啊 这题是不是求极大完全子图的数量? Followed by:
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