{"version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://tarya.hatenadiary.org/","description":"http://projecteuler.net/index.php?section=problems&id=75\u539f\u59cb\u30d4\u30bf\u30b4\u30e9\u30b9\u6570\u3092\u6c42\u3081\u3066\u3001\u305d\u306e\u5916\u5468\u548c\u306e\u500d\u6570\u3092\u30ab\u30a6\u30f3\u30c8\u3057\u3066\u3044\u304f\u65b9\u6cd5\u3067\u5b9f\u88c5\u3057\u307e\u3057\u305f\u3002 Ruby\u30673\u79d2\u3002 \u30d4\u30bf\u30b4\u30e9\u30b9\u6570\u3068\u3044\u3046\u306e\u306f\u3001a^2 + b^2 = c^2 \u3092\u6e80\u305f\u3059\u81ea\u7136\u6570 (a,b,c) \u306e\u3053\u3068\u3067\u3001\u539f\u59cb\u30d4\u30bf\u30b4\u30e9\u30b9\u6570\u3068\u3044\u3046\u306e\u306f\u3001\u305d\u306e\u4e2d\u3067\u3082a,b,c\u306e\u3069\u306e2\u6570\u3082\u4e92\u3044\u306b\u7d20\u306a\u95a2\u4fc2\u3092\u6e80\u305f\u3059\u3082\u306e\u306e\u3053\u3068\u3067\u3059\u3002\u305d\u3057\u3066\u3001\u539f\u59cb\u30d4\u30bf\u30b4\u30e9\u30b9\u6570\u3068\u3044\u3046\u306e\u306f\u4ee5\u4e0b\u306e\u4e00\u822c\u5f62\u3067\u8868\u73fe\u3055\u308c\u308b\u3068\u3044\u3046\u3053\u3068\u3092\u77e5\u3063\u3066\u3044\u308b\u3068\u3001\u30b3\u30fc\u30c9\u304c\u3059\u3054\u304f\u697d\u306b\u66f8\u3051\u307e\u3059\u3002 a = m^2 - n^2 b = 2mn c = m^2 + n^2 (\u3053\u3053\u2026","published":"2010-06-19 05:03:07","author_url":"https://blog.hatena.ne.jp/tarya/","image_url":"https://images-fe.ssl-images-amazon.com/images/I/51oHd6j7zdL._SL160_.jpg","height":"190","provider_name":"Hatena Blog","type":"rich","blog_title":"tarya\u306e\u96d1\u8a18\u5e33","categories":["\u6570\u5b66","\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"width":"100%","author_name":"tarya","url":"https://tarya.hatenadiary.org/entry/20100619/1276977787","title":"Project Euler 75, \u30d4\u30bf\u30b4\u30e9\u30b9\u6570","html":""}