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二分图的构建这题出的挺不错的。。。 左边顶点:行号 右边顶点:列号 i行j列有一个,则i->j有一条边 求最小点覆盖,答案出来了。。。 WA了两次。几行代码都错,无语。。。 Followed by: Post your reply here: |
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