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20 lines
387 B
Ruby
Executable File
20 lines
387 B
Ruby
Executable File
#!/usr/bin/env ruby
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# frozen_string_literal: true
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class Main
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def run
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@sum = 0
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$stdin.each_line do |line|
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nums = line.chomp.each_char.map(&:to_i)
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first_digit = nums[0..-2].sort.reverse[0]
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second_digit = nums[nums.find_index(first_digit) + 1..].sort.reverse[0]
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@sum += "#{first_digit}#{second_digit}".to_i
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end
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puts @sum
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end
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end
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Main.new.run
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