{"version":"1.0","categories":["PE","\u6570\u5b66","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"type":"rich","image_url":null,"width":"100%","description":"http://projecteuler.net/index.php?section=problems&id=126 \u307e\u305a\u3001a \u00d7 b \u00d7 c\u3067m\u5c64\u76ee\u306e\u7acb\u65b9\u4f53\u306e\u6570\u306f\u3001\u8a73\u3057\u304f\u306f\u66f8\u304d\u307e\u305b\u3093\u304c\u3001\u30b5\u30a4\u30c9\u3068\u305d\u308c\u4ee5\u5916\u3092\u5206\u3051\u3066\u8003\u3048\u308b\u3068\u6613\u3057\u3044\u3067\u3059\u3002 P \u2261 a + b + c Q \u2261 b c + c a + a b \u3068\u3059\u308b\u3068\u3001 Am = 4(m-1)(P+m-2) + 2Q \u3068\u306a\u308a\u307e\u3059\u3002 \u3055\u3066\u3001\u3053\u306e\u554f\u984c\u306fAm\u3092\u5c0f\u3055\u3044\u9806\u306b\u4e26\u3079\u306b\u304f\u3044\u306e\u3067\u96e3\u3057\u3044\u3067\u3059\u3002\u3042\u308b\u6570\u4ee5\u4e0b\u3068\u3044\u3046\u306e\u306f\u6bd4\u8f03\u7684\u6613\u3057\u3044\u3067\u3059\u3002a, b, c\u304c\u6c7a\u307e\u3063\u3066\u3044\u308c\u30701\u5c64\u76ee\u304c\u6700\u3082\u5c0f\u3055\u3044\u306e\u3067\u30012(b c + c a + a b)\u304c\u3042\u308b\u6570\u4ee5\u4e0b\u306e\u7d44\u307f\u5408\u308f\u305b\u306b\u3064\u3044\u3066\u8abf\u3079\u308c\u3070\u2026","provider_url":"https://hatena.blog","title":"Project Euler 126","provider_name":"Hatena Blog","url":"https://inamori.hateblo.jp/entry/20100714/p1","blog_url":"https://inamori.hateblo.jp/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100714%2Fp1\" title=\"Project Euler 126 - 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>","published":"2010-07-14 00:00:00","blog_title":"inamori\u2019s diary","author_name":"inamori","author_url":"https://blog.hatena.ne.jp/inamori/"}