{"provider_name":"Hatena Blog","published":"2010-07-20 00:00:00","author_name":"inamori","provider_url":"https://hatena.blog","type":"rich","url":"https://inamori.hateblo.jp/entry/20100720/p1","height":"190","blog_url":"https://inamori.hateblo.jp/","title":"Project Euler 131","width":"100%","author_url":"https://blog.hatena.ne.jp/inamori/","categories":["PE","\u6570\u5b66","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"description":"http://projecteuler.net/index.php?section=problems&id=131 n3 + n2p = r3 \u3068\u66f8\u3051\u307e\u3059\u3002 \u307e\u305a\u3001n\u304c\u56e0\u5b50p\u3092e\u500b\u542b\u3080\u3068\u3057\u307e\u3057\u3087\u3046\u3002 n = pe m n3 + p n2 = p2e+1(pe-1m + 1)m2 \u6700\u521d\u306e\u9805\u4ee5\u5916\u306fp\u3092\u542b\u307e\u306a\u3044\u306e\u30672e+1\u306f3\u3067\u5272\u308a\u5207\u308c\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068\u3001e-1\u30823\u3067\u5272\u308a\u5207\u308c\u307e\u3059\u3002\u305d\u3046\u3059\u308b\u3068\u6700\u521d\u306e\u9805\u4ee5\u5916\u306f\u3001 (pk m)3 + m2 \u3053\u308c\u306f\u3001(pk m)3\u3068(pk m + 1)3\u306e\u9593\u306b\u3042\u308b\u306e\u3067\u3001\u7acb\u65b9\u306b\u306f\u306a\u308a\u5f97\u307e\u305b\u3093\u3002\u3059\u306a\u308f\u3061\u3001n\u306fp\u3092\u542b\u307f\u307e\u305b\u3093\u3002 n\u306fp\u3067\u306a\u3044\u3042\u308b\u56e0\u5b50q\u3092e\u500b\u542b\u3080\u3068\u3057\u307e\u3059\u3002 n = q\u2026","blog_title":"inamori\u2019s diary","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20100720%2Fp1\" title=\"Project Euler 131 - 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>","image_url":null}