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这个题所有的数据用int可以过,不用double

Posted by scaneeling at 2008-12-16 18:02:34 on Problem 1751 and last updated at 2008-12-16 19:05:37
5
1 0
0 1
-1 0
0 -1
0 0
0 


6
1 0
2 0
0 1
-1 0
0 -1
0 0
0 

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