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纪念玉树地震,贴组测试数据

Posted by Yudus at 2010-04-21 12:57:07 on Problem 1661
1
4 14 5 6
3 22 1
16 23 2
16 30 3
13 21 4

答案:15

向玉树地震遇难同胞致哀

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