{"description":"Problem 72 n/d\u3068\u3044\u3046\u5206\u6570\u3092\u8003\u3048\u308b\u3002\u3053\u3053\u3067\u3001n\u3068d\u306f\u6b63\u306e\u6574\u6570\u3002n<d\u3067HCF(n,d)=1\u306e\u3068\u304d\u3001\u65e2\u7d04\u771f\u5206\u6570\u3068\u547c\u3076\u3002 d\u22648\u306e\u65e2\u7d04\u771f\u5206\u6570\u306e\u96c6\u5408\u3092\u6607\u9806\u306b\u4e26\u3079\u308b\u3068\u6b21\u306e\u3088\u3046\u306b\u306a\u308b\uff1a 1/8, 1/7, 1/6, 1/5, 1/4, 2/7, 1/3, 3/8, 2/5, 3/7, 1/2, 4/7, 3/5, 5/8, 2/3, 5/7, 3/4, 4/5, 5/6, 6/7, 7/8 \u3053\u306e\u96c6\u5408\u306f21\u500b\u306e\u8981\u7d20\u304c\u3042\u308b\u3002 d\u22641000000\u306e\u65e2\u7d04\u771f\u5206\u6570\u306e\u96c6\u5408\u306e\u8981\u7d20\u6570\u306f\uff1f http://projecteuler.net/index.php?section=problems&id=72 \u3053\u308c\u306f\u8981\u2026","categories":["PE","\u6570\u5b66","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"author_name":"inamori","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100208%2Fp1\" title=\"Project Euler 72\uff081\uff09 - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","height":"190","author_url":"https://blog.hatena.ne.jp/inamori/","provider_name":"Hatena Blog","title":"Project Euler 72\uff081\uff09","blog_url":"https://inamori.hateblo.jp/","published":"2010-02-08 00:00:00","blog_title":"inamori\u2019s diary","width":"100%","url":"https://inamori.hateblo.jp/entry/20100208/p1","provider_url":"https://hatena.blog","version":"1.0","image_url":null}