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啊，是二部图匹配？我初看还以为是用状态DP呢，不过O(n^4)想必也过不了。In Reply To:这题不是二部图匹配吗？ Posted by:pladene at 2003-10-19 20:53:23 > 为什么WA？ Followed by: Post your reply here: |
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