Submission #1540561

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Source Code Expand

q, h, s, d = gets.split.map(&:to_i)
n = gets.to_i

ans = 0
now = 0

a = []
a.push({b: q, l: q*4, n: 0.25})
a.push({b: h, l: h*2, n: 0.5})
a.push({b: s, l: s, n: 1})
a.push({b: d, l: d / 2, n: 2})
a.sort!{ |x, y| x[:l] <=> y[:l] }

a.each do |aa|
  next if n / aa[:n] <= 0
  now += aa[:n] * n / aa[:n]
  ans += aa[:b] * n / aa[:n]
  break if now == n
end
puts ans.to_i

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