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越来越觉得偶的E文不能与时俱进了,题目也难得读明白了···5555555

Posted by achilles at 2004-11-04 01:41:43 on Problem 1972
In Reply To:Re:就是说第一个的放法一定,上面的放法就全部都确定了,把覆盖的去掉,取最大的相加就行了?? Posted by:daofeng at 2004-11-04 01:37:29
> y

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