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Re:不用 （2^n）将无穷解中的自由变量全部置为0，就可以利用完全归纳法证明其答案最小的贪心性

Posted by jie414341055 at 2011-02-11 00:00:42 on Problem 1681
In Reply To:不用 （2^n）将无穷解中的自由变量全部置为0，就可以利用完全归纳法证明其答案最小的贪心性 Posted by:ecust_linpeng at 2009-11-25 21:39:05 
不能吧，应该是这个题数据太水，试试这个数据
4
yyyy
yyyy
yyyw
yyww
答案应该是1，我的程序输出7，也过了，所以不能直接把自由变量置为0.
还有如果你直接置为0那么1753是过不了的，不信试试看。
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