{"width":"100%","url":"https://inamori.hateblo.jp/entry/20110126/p1","provider_name":"Hatena Blog","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"description":"http://projecteuler.net/index.php?section=problems&id=73 PDF\u3092\u3055\u3089\u306b\u8aad\u307f\u9032\u3081\u308b\u3068\u3001\u3053\u3093\u306a\u89e3\u6cd5\u304c\u3002 f(n)\u3092\u5024\u304c\u4e0e\u3048\u3089\u308c\u305f\u7bc4\u56f2\u306e\u5206\u6bcd\u304cn\u4ee5\u4e0b\u306e\u5206\u6570\u306e\u500b\u6570\u3001g(n)\u3092\u305d\u306e\u3046\u3061\u65e2\u7d04\u306e\u5206\u6570\u306e\u500b\u6570\u3068\u3057\u307e\u3059\u30020\u304b\u30891\u306e\u7bc4\u56f2\u3067n = 12\u306e\u3068\u304d\u3001\u5206\u6bcd\u3068\u5206\u5b50\u306e\u6700\u5927\u516c\u7d04\u6570\u304c3\u306e\u5206\u6570\u3092\u8003\u3048\u307e\u3059\u3002\u3053\u308c\u306f\u3001 3/12 3/9 3/6 6/9 9/12 \u3053\u308c\u3089\u306f\u5206\u6bcd\u5206\u5b50\u30923\u3067\u5272\u308b\u3053\u3068\u3067\u65e2\u7d04\u5206\u6570\u306b\u306a\u308a\u307e\u3059\u3002 1/4 1/3 1/2 2/3 3/4 \u3059\u306a\u308f\u3061\u3001g(4)\u306b\u5bfe\u5fdc\u3057\u3066\u3044\u308b\u308f\u3051\u3067\u3059\u3002\u3053\u306e3\u30921\u301c12\u307e\u3067\u5909\u3048\u3066\u8db3\u3057\u3042\u308f\u305b\u308b\u3068\u3001 f(12) = g([12/\u2026","provider_url":"https://hatena.blog","title":"Project Euler 73\uff086\uff09","author_url":"https://blog.hatena.ne.jp/inamori/","blog_url":"https://inamori.hateblo.jp/","version":"1.0","height":"190","image_url":null,"published":"2011-01-26 00:00:00","type":"rich","author_name":"inamori","blog_title":"inamori\u2019s diary","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20110126%2Fp1\" title=\"Project Euler 73\uff086\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>"}