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  <author_name>Gemma</author_name>
  <author_url>https://blog.hatena.ne.jp/Gemma/</author_url>
  <blog_title>Gemmaの日記</blog_title>
  <blog_url>https://gemma.hatenadiary.org/</blog_url>
  <categories>
  </categories>
  <description>OCaml-nagoyaネタ記録庫Gauche。ライブラリに、順列組み合わせのpermutationなどがあったので、かなり楽ができました。見つかったらreturnラベルで大域脱出。2.6Ghzで13秒。 (use srfi-1) (use util.combinations) (use util.match) (define return #f) (define (eval-poly li x) (fold (lambda (a b) (+ a (* b x))) 0 li)) (define (check li) (match li ((S E N D M O R Y) (if (and …</description>
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  <image_url></image_url>
  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2006-10-19 00:00:00</published>
  <title>SEND + MORE =　MONEY</title>
  <type>rich</type>
  <url>https://gemma.hatenadiary.org/entry/20061019</url>
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