树状数组求正序数与逆序数hdu Minimum Inversion Number,/*数组初始化为0后插入1统计的即为正序数C(n,2)-正序数为逆序数又题意求的为最小的逆序数且变换规则为a1,a2,...,an-1,an(wherem=0-theinitialseqence)a2,a3,...,an,a1(wherem=1)a3,a4,...,an,a1,a2(wherem=2)...an,a1
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树状数组求正序数与逆序数hdu Minimum Inversion Number,/*数组初始化为0后插入1统计的即为正序数C(n,2)-正序数为逆序数又题意求的为最小的逆序数且变换规则为a1,a2,...,an-1,an(wherem=0-theinitialseqence)a2,a3,...,an,a1(wherem=1)a3,a4,...,an,a1,a2(wherem=2)...an,a1
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