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Ruby / 723.rb

WATANABE Natsumi on 21 Jan 2023 176 bytes 2023-01-21 14:42:23

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#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

deh hanbun(x)
  x/2

puts "数値を入れてください。半分の値にします。"
y = gets.to_i
printf("%.1f\n", hanbun(y))