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是正确的。wa是因为倒转了输出顺序，囧In Reply To:这道题不扩边容量，直接求最大流，之后第二问输出最小的S集点的个数，这样不正确么？ Posted by:bug27 at 2009-03-23 17:21:13 Followed by: Post your reply here: |
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