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mtsmfm/kurata.rb

Created December 28, 2012 11:07
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kurata.rb
#coding:utf-8
def fuga(n, i, n_max)
kugiru = 2 ** (i+1)
tonari = 2 ** i
if(n % kugiru < kugiru/2)
n + tonari
else
n - tonari
end
end
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