{"title":"\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u3067Ruby\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u6bce\u306b\u30d9\u30f3\u30c1\u30de\u30fc\u30af","height":"190","type":"rich","width":"100%","url":"https://maehrm.hatenablog.com/entry/20130107/p1","blog_url":"https://maehrm.hatenablog.com/","provider_url":"https://hatena.blog","published":"2013-01-07 00:00:00","author_name":"rahaema","blog_title":"Mae\u5411\u304d\u306a\u30d6\u30ed\u30b0","version":"1.0","categories":["Ruby"],"author_url":"https://blog.hatena.ne.jp/rahaema/","description":"\u300c\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u3067\u5404\u7a2e\u8a00\u8a9e\u3092\u30d9\u30f3\u30c1\u30de\u30fc\u30af - satosystems\u306e\u65e5\u8a18\u300d\u3092\u898b\u3066\u3001Ruby\u306e\u5404\u30d0\u30fc\u30b8\u30e7\u30f3(1.8.7, 1.9.3, 2.0.0dev)\u3067\u306e\u901f\u5ea6\u306e\u9055\u3044\u3092\u6e2c\u3063\u3066\u307f\u307e\u3057\u305f\u3002 fib.rb def fib(n) return n if (n < 2) return fib(n - 2) + fib(n - 1) end puts fib(38) 1.8.7 $ ruby -v ruby 1.8.7 (2012-02-08 patchlevel 358) [universal-darwin11.0] $ time ruby fib.rb 39088169 real 1m24.281s \u2026","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaehrm.hatenablog.com%2Fentry%2F20130107%2Fp1\" title=\"\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u3067Ruby\u306e\u30d0\u30fc\u30b8\u30e7\u30f3\u6bce\u306b\u30d9\u30f3\u30c1\u30de\u30fc\u30af - Mae\u5411\u304d\u306a\u30d6\u30ed\u30b0\" 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}