{"version":"1.0","width":"100%","blog_url":"https://xanxys.hatenablog.jp/","url":"https://xanxys.hatenablog.jp/entry/20110531/1306844853","description":"\u3055\u3066\u3001\u3044\u308f\u3086\u308b\u95a2\u6570\u578b\u8a00\u8a9e\u306e\u57fa\u790e\u3068\u306a\u3063\u3066\u3044\u308b\u03bb\u8a08\u7b97\u3067\u3059\u304c\u3001\u4e00\u90e8\u306e\u8a00\u8a9e(eg. Haskell)\u3067\u306f\u53b3\u3057\u304f\u526f\u4f5c\u7528\u3092\u7981\u6b62\u3059\u308b\u3053\u3068\u3067\u30d1\u30ef\u30d5\u30eb\u3067\u3042\u308a\u306a\u304c\u3089\u53c2\u7167\u900f\u904e\u6027\u3092\u7dad\u6301\u3057\u3001\u975e\u6b63\u683c\u306a\u8a55\u4fa1\u3092\u53ef\u80fd\u306b\u3057\u3066\u3044\u307e\u3059\u3002*1\u3053\u3046\u3059\u308b\u3068\u3046\u307e\u304f\u8a55\u4fa1\u6226\u7565\u3092\u9078\u3079\u3070*2\u3001\u03bb\u62bd\u8c61\u3067\u306a\u3044\u6b63\u898f\u5f62\u3092\u6301\u3064\u5f0f\u306f\u5fc5\u305a\u6709\u9650\u6642\u9593\u3067\u8a55\u4fa1\u3067\u304d\u3066\u3001\u7121\u9650\u30c7\u30fc\u30bf\u69cb\u9020\u304c\u4f7f\u3048\u305f\u308a\u3057\u3066\u5927\u5909\u5b09\u3057\u3044\u8a33\u3067\u3059\u3002\u3057\u304b\u3057\u3001\u3053\u306e\u3088\u3046\u306a\u9045\u5ef6\u8a55\u4fa1\u3092\u884c\u3046\u8a00\u8a9e\u306b\u306f\u30b9\u30da\u30fc\u30b9\u30ea\u30fc\u30af\u306e\u554f\u984c\u304c\u3042\u3063\u3066\u3001\u4f8b\u3048\u3070foldl (+) 0 [1..n]\u7b49\u304cO(n)\u306e\u30e1\u30e2\u30ea\u3092\u6d88\u8cbb\u3057\u3066\u3057\u307e\u3063\u305f\u308a\u3057\u307e\u3059\u3002\u5927\u91cf\u306e\u30c7\u30fc\u30bf\u3092\u6271\u3046\u3088\u3046\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3053\u308c\u306f\u975e\u5e38\u306b\u6df1\u523b\u306a\u554f\u984c\u3067\u3001\u300c\u4e00\u884c\u30b3\u30fc\u30c9\u8ffd\u52a0\u3057\u305f\u3089\u30e1\u30e2\u30ea\u4f7f\u3044\u2026","provider_name":"Hatena Blog","published":"2011-05-31 21:27:33","title":" \u03bb\u8a08\u7b97\u306e\u4e71\u629e\u8a55\u4fa1","author_url":"https://blog.hatena.ne.jp/xanxys/","blog_title":"\u22a5=\u22a5","height":"190","provider_url":"https://hatena.blog","categories":[],"author_name":"xanxys","type":"rich","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fxanxys.hatenablog.jp%2Fentry%2F20110531%2F1306844853\" title=\" \u03bb\u8a08\u7b97\u306e\u4e71\u629e\u8a55\u4fa1 - \u22a5=\u22a5\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}