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Ruby / nibai.rb
@HIROSE Yuzuki HIROSE Yuzuki on 28 Oct 2023 186 bytes 2023-10-28 14:16:47
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

def hanbun(x)
x/2
end

puts"数値を入れてね。半分にするよ"
x= gets.chomp.to_i

printf("%dの半分は%d\n",x,hanbun(x))