Submission #109639

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Source Code Expand

#!/usr/bin/ruby

DIRWIDTH = 3600.0 / 16
DIRS = {
  0 => 'N', 1 => 'NNE', 2 => 'NE', 3 => 'ENE',
  4 => 'E', 5 => 'ESE', 6 => 'SE', 7 => 'SSE',
  8 => 'S', 9 => 'SSW', 10 => 'SW', 11 => 'WSW',
  12 => 'W', 13 => 'WNW', 14 => 'NW', 15 => 'NNW',}

def deg_to_dir(degrees)
    return (DIRS[((degrees + DIRWIDTH/2) / DIRWIDTH).to_i] or DIRS[0])
end

def windspeed_to_beaufort(speed)
  # I didn't want to do this, either.
  if speed < 0.25
    return 0
  elsif speed < 1.55
    return 1
  elsif speed < 3.35
    return 2
  elsif speed < 5.45
    return 3
  elsif speed < 7.95
    return 4
  elsif speed < 10.75
    return 5
  elsif speed < 13.85
    return 6
  elsif speed < 17.15
    return 7
  elsif speed < 20.75
    return 8
  elsif speed < 24.45
    return 9
  elsif speed < 28.45
    return 10
  elsif speed < 32.65
    return 11
  else
    return 12
  end
end

def translator(deg, dis)
  w = windspeed_to_beaufort(dis/60.0)
  direction = w==0 ? 'C' : deg_to_dir(deg)
  return w, direction
end


def main()
  data = gets.chomp.split().collect {|i| i.to_f}
  # print data
  w, direction = translator(*data)
  print direction, " ", w, "\n"
end

main()

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