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Re:我认为结果应该是20In Reply To:Re:我认为结果应该是20 Posted by:q540509089 at 2014-08-18 20:40:09 > 双向边的话 即3也可以往2流的话 人工模拟是20 我的程序也给出20 > 可WA 好吧 这道题是单向边 邻接表单向AC 双向WA Followed by: Post your reply here: |
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