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这题的意思到底是所有侯选type都要用至少一次?还是可以从中任取?

Posted by gzw_02 at 2008-06-16 13:49:28 on Problem 1069
如题。

比如:Input
1
5 5 5 4 3 2 1
Output:??
如果是所有类型5,4,3,2,1都要利用至少一次(更难),需要全搜才可以作出判断。如果可以任选,全部用1来填,显然应该输出Yes.

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