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  <blog_title>higepon blog</blog_title>
  <blog_url>https://higepon.hatenablog.com/</blog_url>
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    <anon>mosh</anon>
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  <description>最大公約数を求める手続き gcd 。ユークリッドの互除法 - Wikipediaを見て思い出しつつ実装。 Bignum に関しては GMP に gcd を求める関数があるのだけどまあいいか。 (define (gcd2 m n) (if (zero? n) (abs m) (gcd2 n (mod m n)))) (define (gcd . n*) (unless (for-all integer-valued? n*) (assertion-violation 'gcd &quot;integer valued numbers required&quot;)) (case (length n*) [(0) 0…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2008-11-18 15:48:17</published>
  <title> 最大公約数</title>
  <type>rich</type>
  <url>https://higepon.hatenablog.com/entry/20081118/1226990897</url>
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