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如果差一样都是最小,和又一样大,选哪个?

Posted by zentropy at 2007-09-03 23:56:04 on Problem 1015
比如说
4 2 
2 4
2 4 
4 1 
6 2
显然最好的选择是
2 4
4 1
只不过这个时候有两个2 4,应该怎么选?

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