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# whatalnk/cf334-div2-a-Uncowed-Forces.rb Created Dec 2, 2015

Codeforces #334 Div2
 # [Problem - 604A - Codeforces](http://codeforces.com/problemset/problem/604/A) xx = [500, 1000, 1500, 2000, 2500] mm = gets.chomp.split(" ").map(&:to_f) ww = gets.chomp.split(" ").map(&:to_f) hs, hu = gets.chomp.split(" ").map(&:to_i) calc_score = ->(x, m, w) { (250 - m) * x / 250 - 50 * w } scores = Array.new (0...5).each do |i| scores << [0.3*xx[i], calc_score.call(xx[i], mm[i], ww[i])].max end puts (scores.inject(:+) + hs * 100 - hu * 50).to_i
 # [Problem - 604B - Codeforces](http://codeforces.com/problemset/problem/604/B) n, k = gets.chomp.split(" ").map(&:to_i) ss = gets.chomp.split(" ").map(&:to_i) if n.even? then min_box = n / 2 d = (k - min_box) * 2 else min_box = n / 2 + 1 d = (k - min_box) * 2 + 1 end res = ss.pop(d) half = ss.size / 2 right = ss.pop(half).reverse ss.zip(right).each do |a, b| res << a + b end puts res.max
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### whatalnk commented Dec 2, 2015

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