Hanoi 4 Tower问题,不过如果按照分类用DP的来做O(n^2)的时间复杂度是无法承受的。
因此必须用Hanoi 4 Tower的特殊做法,移动n个圆盘需要的次数就是以下数列的前n项和:
1,2,2,4,4,4,8,8,8,8......
这一方法可以推广到n Tower,只是数列需要重新推导。
R1077189 Accepted 100 From IwfWcf P1073 FPC Vivid Puppy 2008-11-26 14:03:41
Hanoi 4 Tower问题,不过如果按照分类用DP的来做O(n^2)的时间复杂度是无法承受的。
因此必须用Hanoi 4 Tower的特殊做法,移动n个圆盘需要的次数就是以下数列的前n项和:
1,2,2,4,4,4,8,8,8,8......
这一方法可以推广到n Tower,只是数列需要重新推导。
R1077189 Accepted 100 From IwfWcf P1073 FPC Vivid Puppy 2008-11-26 14:03:41
zhengjx20160520
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