yumechi/mayoi.rb

Created December 17, 2015 05:11

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マヨイドーロ問題提出プログラム

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	inp = gets.to_i
	y, z = 0, 1
	a, b = 2, 3
	for i in 1..inp do
	if i % 2 == 1
	y += a
	a += b
	else
	z += b
	b += a
	end
	end
	puts y

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