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whatalnk/abc125-b.rb

Created May 2, 2019 04:23
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AtCoder ABC #125 B - Resale
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abc125-b.rb
n = gets.chomp.to_i
v = gets.chomp.split(" ").map(&:to_i)
c = gets.chomp.split(" ").map(&:to_i)
ans = 0
n.times do |i|
xy = v[i] - c[i]
ans += xy if xy > 0
end
puts ans
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