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北京大学《ACM/ICPC大学生程序设计竞赛训练》暑期课面向全球招生!

写个bfs预处理一下就OK了 - -

Posted by wywcgs at 2006-09-06 20:04:04 on Problem 2286
In Reply To:太郁闷了...... Posted by:z12y12l12 at 2006-09-06 17:36:26


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