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とある世界のタクシー料金 #yhpg

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Last updated at Posted at 2015-04-18

METER[elem][:dist]が10で割り切れないのは街の真上でメーターが上がらないようにするためであることに気づいたのはテストを通した後だった.
あと,1箇所でしか使わないのになぜわざわざtrue.to_iとfalse.to_iを定義したのか謎(※colorを誤って発点で判定していた名残).

hena30.rb
# !/usr/bin/env ruby
# http://qiita.com/Nabetani/items/c70417d384720a3339d6
# http://nabetani.sakura.ne.jp/hena/ord30taxi/

class TrueClass
	def to_i() 1 end
end
class FalseClass
	def to_i() 0 end
end

DIST={
	'AB'=>[1090,0],
	'AC'=>[180,0],
	'AD'=>[540,1],
	'BC'=>[960,0],
	'BG'=>[1270,0],
	'CD'=>[400,1],
	'CF'=>[200,0],
	'DE'=>[720,1],
	'DF'=>[510,1],
	'EG'=>[1050,1],
	'FG'=>[230,1],
}
METER=[
	{:dist=>995,:cost=>400},{:dist=>845,:cost=>350}
]
DIFF=[60,50]

if __FILE__==$0
	while gets
		line=$_.chomp.chars.each_cons(2).to_a
		cost=dist=0
		meter=METER[('C'<line[0][0]).to_i]
		cost=meter[:cost]
		dist=meter[:dist]
		line.each{|e|
			d,color=DIST[e.sort.join]
			dist-=d
			while dist<0
				cost+=DIFF[color]
				dist+=200
			end
		}
		p cost
		STDOUT.flush
	end
end
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