blob: 150ee752a8a57d840d013e35b45489159c630272 (
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def play(them, us)
us + case them
when 1
case us
when 1; 3
when 2; 6
when 3; 0
end
when 2
case us
when 1; 0
when 2; 3
when 3; 6
end
when 3
case us
when 1; 6
when 2; 0
when 3; 3
end
end
end
rounds = $stdin.readlines.map(&:strip).map(&:split)
score = 0
rounds.each do |them, us|
ti = {?A => 1, ?B => 2, ?C => 3}[them]
ui = {?X => 1, ?Y => 2, ?Z => 3}[us]
score += play(ti, ui)
end
puts score
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