Submission #110516

---

Source Code Expand

require 'test/unit'

class AtCoder
  def self.answer(input)
    km = conv_to_km(input)
    return case km
    when (0.1)...5
      tmp = km * 10
      return "0" + tmp.to_i.to_s if tmp < 10
      tmp
    when 6...30
      km + 50
    when 35...70
      (km - 30) / 5 + 80
    when 70...100
      89
    else
      0
    end
  end

  def self.conv_to_km(m)
    m.to_f / 1000
  end
end

class AtCoderTest < Test::Unit::TestCase
  def setup
  end

  def test_input1
    assert_equal(65, AtCoder::answer(15000))
  end

  def test_input2
    assert_equal(89, AtCoder::answer(75000))
  end

  def test_input3
    assert_equal('02', AtCoder::answer(200))
  end

  def test_input3
    assert_equal(40, AtCoder::answer(4000))
  end
end

Submission Info

Judge Result