{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F20110103%2Fp1\" title=\"\u30d0\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u3067Project Euler\uff0825\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>","author_name":"inamori","provider_name":"Hatena Blog","image_url":null,"description":"Problem 9 \u3053\u306e\u554f\u984c\u306f\u3001\u5b9f\u306f\u624b\u8a08\u7b97\u30ec\u30d9\u30eb\u3067\u3059\u3002\u76f4\u89d2\u4e09\u89d2\u5f62\u306e\u8fba\u306e\u9577\u3055\u306f\u8868\u3059\u3068\u3001 a = l(m2 - n2) b = 2lmn c = l(m2 + n2) 0 < n < m m + n\u306f\u5947\u6570 m\u3068n\u306f\u4e92\u3044\u306b\u7d20\u3002 \u3053\u306e\u3068\u304d\u5468\u306e\u9577\u3055\u306f\u3001 a + b + c = 2lm(m + n) \u3088\u3063\u3066\u3001m\u3068m + n\u306f500\u306e\u7d04\u6570\u3067\u4e92\u3044\u306b\u7d20\u3002\u3068\u3044\u3046\u3053\u3068\u306f\u3001m\u3068m + n\u306f\u3069\u3061\u3089\u304b\u304c1, 2, 4\u3067\u3069\u3061\u3089\u304b\u304c1, 5, 25, 125\u3067\u3059\u3002m < m + n < 2m\u3092\u6e80\u305f\u3059\u306e\u306f\u3001m = 4, m + n = 5\u3057\u304b\u3042\u308a\u307e\u305b\u3093\u3002\u3057\u304b\u3057\u3001\u306a\u308b\u3079\u304f\u306a\u3089\u4e00\u822c\u7684\u306b\u89e3\u304d\u305f\u3044\u3068\u3053\u308d\u3067\u3059\u3002 \u307e\u305a\u3001500\u306e\u7d04\u6570\u3092\u6c42\u3081\u2026","url":"https://inamori.hateblo.jp/entry/20110103/p1","categories":["PE","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"published":"2011-01-03 00:00:00","version":"1.0","width":"100%","blog_url":"https://inamori.hateblo.jp/","type":"rich","height":"190","author_url":"https://blog.hatena.ne.jp/inamori/","title":"\u30d0\u30c3\u30c1\u30d5\u30a1\u30a4\u30eb\u3067Project Euler\uff0825\uff09","blog_title":"inamori\u2019s diary","provider_url":"https://hatena.blog"}