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请教这道题的算法

Posted by xrjxrjxrj at 2005-10-26 16:24:10 on Problem 1759
我的做法是先解线形递推方程,然后令hi(2<=i<=n)为0,并且在保证其他数>=0的情况下解出b,看b 是不是最小的,
不知道这种做法有没有错

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