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Ruby / omake2.rb
@KIKUCHI Ryusei KIKUCHI Ryusei on 9 Aug 200 bytes 2025-08-09 14:59:42
#!/usr/bin/env ruby
# -*- coding: utf-8 -*-

def keisan(x)
  a = x*x
  b = x
  c = a - b + 1
end
puts "xの数値を入れてください。計算します。"
x = gets.to_i
printf("%d\n", keisan(x))