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为什么不能把食物放左边,牛放中间,饮料放右边?我觉得是因为你无法保证能取得最多的增广路径数目 。请考虑以下数据。2 2 2 2 1 1 2 1 1 1 1 2 按道理来说,cow1食用food2, drink1, cow2食用food1,drink2,答案应为2。如果用EK算法求增广路径的数目,结果却为1,因为第一次BFS时 cow1占用了food1,使cow2无法满足 Followed by:
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