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确实如此！所以可以先规范化输入，所有重复次数>4的邮票号可以不再记录！！

Posted by fjnplx at 2013-02-23 20:37:59 on Problem 1010 and last updated at 2013-02-23 20:39:47
In Reply To:一减枝超厉害，从tle到16ms ac Posted by:yuanluliao at 2010-08-07 18:50:01

比如将输入1 1 1 1 1 1 1 ...(省略10000个1)...1 1 2 2 2 2 2 2 2 2 2 2 3 4 4 4
规范化为：
1 1 1 1 2 2 2 2 3 4 4 4

Followed by:

Re:我用你的方法确定AC了，但是这剪枝确实是错的，只是test case没有检测出来 (204) xxfeixiang 2014-01-15 00:03:45

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