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  <author_name>fortran66</author_name>
  <author_url>https://blog.hatena.ne.jp/fortran66/</author_url>
  <blog_title>fortran66のブログ</blog_title>
  <blog_url>https://fortran66.hatenablog.com/</blog_url>
  <categories>
    <anon>ProjectEuler</anon>
  </categories>
  <description>ガウスの素数定理によって大体の値の見当をつけてそこまでの素数をやや大目に求めます。 ソース・プログラム program PEuler007 implicit none integer, parameter :: np = 10001 integer, allocatable :: iptab(:) integer :: n ! np ~ n / log(n) ! approximate number of primes less than n : Gauss ! approximate np-th prime n ~ np * log(n) ~ np * log( np * log(n) ) …</description>
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  <provider_name>Hatena Blog</provider_name>
  <provider_url>https://hatena.blog</provider_url>
  <published>2012-12-27 01:29:35</published>
  <title>problem 007</title>
  <type>rich</type>
  <url>https://fortran66.hatenablog.com/entry/20121227/1356625775</url>
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