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whatalnk/colopl2018-qual-b.rb

Created March 21, 2018 04:25
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COLOCON 2018 B. すぬけそだて――チュートリアル――
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colopl2018-qual-b.rb
n, x = gets.chomp.split(" ").map(&:to_i)
s = gets.chomp
tt = []
n.times do
tt << gets.chomp.to_i
end
ans = 0
n.times do |i|
if s[i] == '0' then
ans += tt[i]
else
ans += [tt[i], x].min
end
end
puts ans
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