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@DrqYuto(みなと @Prologの鬼！？)

Ruby$_の意味と競プロでの実例

Posted at

variable $_
最後に Kernel.#gets または Kernel.#readline で読み込んだ文字列です。

AOJで
http://judge.u-aizu.ac.jp/onlinejudge/description.jsp?id=ITP1_4_C

puts eval($_.chomp) while !gets["?"]

参考

次にやること

AOJ解き直す

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