{"author_name":"inamori","version":"1.0","author_url":"https://blog.hatena.ne.jp/inamori/","published":"2010-11-22 00:00:00","url":"https://inamori.hateblo.jp/entry/20101122/p1","description":"http://projecteuler.net/index.php?section=problems&id=311 \u304b\u308d\u3046\u3058\u306624\u6642\u9593\u4ee5\u5185\u306b20\u4f4d\u4ee5\u5185\u304c\u57cb\u307e\u3063\u305f\u3089\u3057\u3044\u3002 16\u7740\u3060\u3063\u305f\u304c\u300114\u7740\u30681\u520638\u79d2\u5dee\u300113\u7740\u3068\u306f3\u6642\u9593\u534a\u4ee5\u4e0a\u306e\u5dee\u3002\u3053\u308c\u306f\u30df\u30e9\u30af\u30eb\u3068\u3057\u304b\u300230\u5206\u304f\u3089\u3044\u5e2d\u3092\u5916\u3057\u3066\u653e\u7f6e\u3057\u3066\u3044\u3066\u3001\u898b\u3066\u307f\u305f\u3089\u3067\u304d\u3066\u3044\u305f\u306e\u3067\u30a2\u30c3\u30d7\u3057\u305f\u3002\u307e\u3055\u304b\u305d\u3093\u306a\u306b\u50c5\u5dee\u3060\u3068\u306f\u601d\u308f\u306a\u304b\u3063\u305f\u306e\u3067\u3002\u7406\u5c48\u306f\u5272\u3068\u7c21\u5358\u3067\u3059\u30022(x2 + y2) = z12 + w12 = z22 + w22\u3092\u89e3\u304f\u3060\u3051\uff08x = BO, y = AO, z1 = AB, w1 = AD, z2 = BC, w2 = CD\uff09\u3002xy\u5e73\u9762\u4e0a\u3067x\u8ef8\u3068\u306e\u89d2\u5ea6\u2026","blog_url":"https://inamori.hateblo.jp/","height":"190","title":"Project Euler 311\uff082\uff09","provider_name":"Hatena Blog","blog_title":"inamori\u2019s diary","provider_url":"https://hatena.blog","type":"rich","width":"100%","categories":["\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/i/inamori/20101122/20101122220328.png","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20101122%2Fp1\" title=\"Project Euler 311\uff082\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>"}