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  <author_name>a_kawashiro</author_name>
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  <blog_title>a_kawashiroのブログ</blog_title>
  <blog_url>https://a-kawashiro.hatenablog.com/</blog_url>
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    <anon>topcoder</anon>
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  <description>多倍長計算が必要、最初はdoubleでやろうとしたけど通らなかったので（解説見たので）多倍長に切り替えた。５時間ぐらいかかったんちゃうかな。 #include &lt;string&gt; #include &lt;functional&gt; #include &lt;algorithm&gt; #include &lt;vector&gt; using namespace std; int c2i(char c) { return (c&lt;='9') ? c-'0' : c-'A'+10; } char i2c(int i) { return (i&lt;=9) ? (char)(i+'0') : (char)(i-10+'A'); } str…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2011-03-17 14:59:16</published>
  <title>SRM434 div2 hard</title>
  <type>rich</type>
  <url>https://a-kawashiro.hatenablog.com/entry/20110317/1300341556</url>
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