Submission #520498

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Source Code Expand

AZIMUTH = %w[ N NNE NE ENE E ESE SE SSE S SSW SW WSW W WNW NW NNW ]
SPEEDS = [0.2, 1.5, 3.3, 5.4, 7.9, 10.7, 13.8, 17.1, 20.7, 24.4, 28.4, 32.6]


def deg2azim(deg)
  t = (deg / 11.25).floor
  t = t + 1 if t.odd?
  t = t / 2

  AZIMUTH[t]
end

def dis2speed(windrun)
  ((windrun / 60.0) * 10.0).round / 10.0
end

def speed2power(speed)
  return SPEEDS.size if speed >= SPEEDS[-1]

  SPEEDS.find_index{|uplim| speed <= uplim }
end

def main(deg, dis)
  azim = deg2azim(deg / 10.0)
  speed = dis2speed(dis)
  power = speed2power(speed)

  azim = "C" if power.zero?

  puts "#{azim} #{power}"
end


main(*STDIN.gets.chomp.split("\s").map(&:to_i))

Submission Info

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