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出一组数据

Posted by comzyh at 2012-10-28 10:43:06 on Problem 3009
6 2
2 0 1 1 1 1
1 1 1 1 1 3
6 2
2 0 1 1 0 1
1 1 1 1 3 1
 
输出应该是
-1
4

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