Description: July 17 is the birthday of Mr.W, ACM-THU do this want to make a volume of N* pi M-layer birthday cake, each layer is a cylinder.
Set number the bottom section i (1 <= i <= M) layer cake with a radius Ri, a cylindrical height of Hi. When i <M, the requirement Ri> Ri+ 1 and Hi> Hi+ 1.
Due to the cake rubbed cream, as much as possible to save funds, we hope the outer surface of the cake (the lowest layer of the underside of the exception) Q smallest area.
So that Q = S* pi
Please programming given N and M, find the cake production program (the appropriate value of Ri and Hi), the S minimum
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File list (Check if you may need any files):
生日蛋糕.cpp
生日蛋糕.dsp
生日蛋糕.dsw
生日蛋糕.ncb
生日蛋糕.opt
生日蛋糕.plg
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