{"author_url":"https://blog.hatena.ne.jp/mzp/","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","height":"190","blog_title":"\u307f\u305a\u3074\u30fc\u65e5\u8a18","author_name":"mzp","blog_url":"https://mzp.hatenadiary.org/","version":"1.0","url":"https://mzp.hatenadiary.org/entry/20071117/tarai","description":"30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0\u3001\u305d\u306e184\u3002Ruby\u3067\u305f\u3089\u3044\u307e\u308f\u3057\u3002\u8f2a\u8b1b\u306e\u6e96\u5099\u3067\u30e1\u30e2\u5316(memoization)\u3092\u8abf\u3079\u3066\u305f\u3089\u3001\u305f\u3089\u3044\u56de\u3057\u95a2\u6570\u306e\u3053\u3068\u3092\u601d\u3044\u51fa\u3057\u305f\u306e\u3067\u66f8\u3044\u3066\u307f\u308b\u3002 \u66f0\u304f\u3001\u9045\u5ef6\u8a55\u4fa1\u3060\u3068\u65e9\u304f\u306a\u308b\u95a2\u6570\u3089\u3057\u304f\u3001Haskell\u3063\u3066\u3059\u3052\u30fc\u3068\u3044\u3046\u6587\u8108\u3067\u3088\u304f\u767b\u5834\u3059\u308b\u3002\u666e\u901a\u306b\u8a08\u7b97\u3059\u308b\u3084\u3064\u3068\u9045\u5ef6\u8a55\u4fa1\u3059\u308b\u3084\u3064\u3068\u3001\u30e1\u30e2\u5316\u3059\u308b\u3084\u3064\u3092\u3064\u304f\u3063\u3066\u307f\u305f\u3002 \u4f7f\u3044\u65b9 irb> tak 10,5,0 10 irb> tak 12,6,0 12\u306a\u304a\u901f\u5ea6\u306f\u3001 # \u666e\u901a\u306e\u3084\u3064 $ ruby 184-tarai.rb 10 ruby 184-tarai.rb 1.51s user 0.12s system 77% cpu 2.107 tota\u2026","title":"\u305f\u3089\u3044\u307e\u308f\u3057\u95a2\u6570","type":"rich","image_url":null,"width":"100%","published":"2007-11-17 00:00:00","categories":["Ruby","30\u5206\u30d7\u30ed\u30b0\u30e9\u30e0"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmzp.hatenadiary.org%2Fentry%2F20071117%2Ftarai\" title=\"\u305f\u3089\u3044\u307e\u308f\u3057\u95a2\u6570 - \u307f\u305a\u3074\u30fc\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}