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  <author_name>tanakaBox</author_name>
  <author_url>https://blog.hatena.ne.jp/tanakaBox/</author_url>
  <blog_title>ボクノス</blog_title>
  <blog_url>https://boxnos.hatenablog.com/</blog_url>
  <categories>
    <anon>GCC</anon>
  </categories>
  <description>たまにはK&amp;Rを。 演習 4-12 itoaを再帰で書け。という問題。再帰に慣れてるはずなのに、この問題はムズィ。 int itoa_iter(int n, char s[], int i) { if (n == 0) { s[i] = '\0'; return i; } else { int tail = itoa_iter(n / 10, s, i + 1); s[tail - i] = '0' + n % 10; return tail; } } int itoa(int n, char s[]) { if (n &lt; 0) { s[0] = '-'; itoa_iter(-n, s, 1…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2007-12-27 03:49:49</published>
  <title> K&amp;Rを読もう(43) 演習 4-12 itoaを再帰で</title>
  <type>rich</type>
  <url>https://boxnos.hatenablog.com/entry/20071227/1198694989</url>
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