{"type":"rich","width":"100%","version":"1.0","height":"190","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_name":"inamori","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20110402%2Fp1\" title=\"\u30d0\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u3067Project Euler\uff0859\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>","title":"\u30d0\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u3067Project Euler\uff0859\uff09","categories":["PE","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"url":"https://inamori.hateblo.jp/entry/20110402/p1","image_url":null,"published":"2011-04-02 00:00:00","blog_title":"inamori\u2019s diary","blog_url":"https://inamori.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/inamori/","description":"Problem 25 \u6628\u65e5\u307e\u3067\u306e\u6e96\u5099\u3057\u305f\u95a2\u6570\u3092\u4f7f\u3063\u3066\u3001\u7b54\u3048\u3092\u51fa\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002 \u5e73\u65b9\u6839\u3084log\u3082\u7528\u610f\u3057\u3066\u3082\u3044\u3044\u306e\u3067\u3059\u304c\u3001\u3053\u306e\u554f\u984c\u3067\u306f\u5916\u3067\u8a08\u7b97\u3057\u3066\u304a\u3044\u3066\u3082\u3088\u3044\u3067\u3057\u3087\u3046\u3002 log10\u221a5 = 0.34948500\u2026 log10(1 + \u221a5)/2 = 0.20898764\u2026 \u306a\u306e\u3067\u30018\u6841\u53d6\u3063\u3066\u3001\u4e0b\u306a\u308920898764/100000000\u3092\u8a08\u7b97\u3059\u308c\u3070\u3088\u3044\u3067\u3057\u3087\u3046\u3002\u3053\u308c\u3092\u4f7f\u3063\u3066\u8a08\u7b97\u3057\u307e\u3059\u3002"}