BMI_Checker.lua

h = io.read(*d)
w = io.read(*d)

function measurement(w, h)
 bmi = w / (h * h)
 print(string.format("%.2f", bmi))
 if bmi < 18.5 then
  print "低体重"
 elseif 18.5 <= bmi or bmi > 25 then
  print "普通"
 elseif 25 <= bmi or bmi > 30then
  print "肥満 ⅰ"
 elseif 30 <= bmi or bmi > 35 then
  print "肥満 ⅱ"
 elseif 35 <= bmi or bmi > 40 then
  print "肥満 ⅲ"
 elseif 40 <= bmi then
  print "肥満 ⅳ"
 end
end

io.write "あなたのBMIは "
measurement(w, h)