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Ruby / waribiki.rb
@ABE Tessho ABE Tessho on 13 Dec 2022 255 bytes 2022-12-13 12:10:57
#!/usr/bin/env ruby
#-*- coding:utf-8*-

def kakaku(x,y)
  x * (1-y)
end

puts"計算します。"
puts"値段:"
nedan = gets.to_f
puts"割引(1割引きなら0.1):"
wari = gets.to_f
gokei = kakaku(nedan,wari)
printf("割引後は%d円です。\n",gokei)