{"title":" \u30e1\u30e2\u5316\u3055\u308c\u305f\u624b\u7d9a\u304d\u3092\u7c21\u5358\u306b\u8a18\u8ff0\u3067\u304d\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u66f8\u3044\u3066\u307f\u305f","type":"rich","categories":["Ruby"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Frhysd.hatenablog.com%2Fentry%2F2013%2F01%2F12%2F221511\" title=\" \u30e1\u30e2\u5316\u3055\u308c\u305f\u624b\u7d9a\u304d\u3092\u7c21\u5358\u306b\u8a18\u8ff0\u3067\u304d\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u66f8\u3044\u3066\u307f\u305f - \u306f\u3084\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306a\u308a\u305f\u3044\" 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":"rhysd","provider_url":"https://hatena.blog","width":"100%","blog_url":"https://rhysd.hatenablog.com/","height":"190","url":"https://rhysd.hatenablog.com/entry/2013/01/12/221511","description":"Hash \u3067\u304a\u624b\u8efd\u306b\u30e1\u30e2\u5316 \u3067\u66f8\u3044\u305f Hash \u3092\u7528\u3044\u305f\u30e1\u30e2\u5316\u304c\u7d50\u69cb\u6c17\u306b\u5165\u3063\u305f\u306e\u3067\uff0c\u30e1\u30bf\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u306e\u7df4\u7fd2\u304c\u3066\u3089\uff0c\u3082\u3046\u5c11\u3057\u7c21\u5358\u306b\u308f\u304b\u308a\u3084\u3059\u304f\u66f8\u3051\u308b\u30e2\u30b8\u30e5\u30fc\u30eb\u3092\u4f5c\u3063\u3066\u307f\u305f\uff0e \u3053\u3093\u306a\u98a8\u306b\u4f7f\u3048\u308b\uff0e # \u30d6\u30ed\u30c3\u30af\u3092\u4e0e\u3048\u3066\u547c\u3073\u51fa\u3059\u3068\uff0cMemo \u306e\u30b9\u30b3\u30fc\u30d7\u5185\u306b\u30d6\u30ed\u30c3\u30af\u3067\u6307\u5b9a\u3057\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u751f\u6210\u3059\u308b Memo.fib do |n| if n < 2 1 else Memo.fib(n-1) + Memo.fib(n-2) end end # \u751f\u6210\u3057\u305f\u5f8c\u306f\u666e\u901a\u306b\u547c\u3073\u51fa\u3057\u3066\u4f7f\u3048\u308b\uff0e # \u51e6\u7406\u306f\u30e1\u30e2\u5316\u3055\u308c\u3066\u3044\u308b\u306e\u3067\uff0c\u30d5\u30a3\u30dc\u30ca\u30c3\u30c1\u6570\u52171000 \u9805\u76ee\u3082\u4e00\u77ac\u3067\u8a08\u7b97\u3067\u304d\u308b puts Memo.fib 1000 # => \u2026","published":"2013-01-12 22:15:11","image_url":null,"provider_name":"Hatena Blog","version":"1.0","author_url":"https://blog.hatena.ne.jp/rhysd/","blog_title":"\u306f\u3084\u304f\u30d7\u30ed\u30b0\u30e9\u30e0\u306b\u306a\u308a\u305f\u3044"}