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  <author_name>inamori</author_name>
  <author_url>https://blog.hatena.ne.jp/inamori/</author_url>
  <blog_title>inamori’s diary</blog_title>
  <blog_url>https://inamori.hateblo.jp/</blog_url>
  <categories>
    <anon>C#</anon>
  </categories>
  <description>Pythonの辞書の代替になるコンテナはDictionaryです。Problem 27を考えてみましょう。Pythonならこんな感じです。 from itertools import * import time memo = { } def IsPrime(n): if n &lt; 2: return False elif n in memo: return memo[n] b = all(n % p != 0 for p in takewhile(lambda p: p * p &lt;= n, count(2))) memo[n] = b return b def length(a, b): ret…</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2013-07-12 00:00:00</published>
  <title>C#でProject Euler（8） Dictionary</title>
  <type>rich</type>
  <url>https://inamori.hateblo.jp/entry/20130712/p1</url>
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