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这题数据很ＢＴ，我们省选的时候就考了这题．我是深搜＋最优剪枝过的，也可以用Floyed式的ＤＰIn Reply To:循环交换费用只会变大 Posted by:00448242 at 2005-07-15 19:03:21 > 图中可能会有圈 Followed by: Post your reply here: |
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