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在fp大牛的帮助下总算知道我为什么错了。。看了下面的数据应该知道了

Posted by liuyu523115237 at 2012-08-17 16:09:57 on Problem 2391 and last updated at 2012-08-21 19:11:04
In Reply To:楼主的少考虑了情况,我的也没拆点。下面是我的分析,不知道为什么wa Posted by:liuyu523115237 at 2012-08-16 21:25:12
这时他给的数据
4 3
4 0
2 2
0 2
0 2
1 2 2
2 3 2
2 4 2

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