{"blog_title":"\u3042\u3069\u3051\u306a\u3044\u8a71","description":"\u6ce8\u610f\uff1agithub \u306b\u79fb\u52d5\u3057\u307e\u3057\u305f\u3002\u518d\u5e30\u3092\u5b66\u3076\u305f\u3081\u306e\u30c9\u30ea\u30eb\u3002\u4f7f\u7528\u3059\u308b\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0\u8a00\u8a9e\u306f Haskell\u3002\u3053\u306e\u30b7\u30ea\u30fc\u30ba\u306f\u7d9a\u304f\u304b\u3082\u3057\u308c\u306a\u3044\u3057\u3001\u9014\u4e2d\u3067\u632b\u6298\u3059\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002\u4e5e\u3046\u3054\u671f\u5f85\uff01 \u7b49\u5dee\u6570\u5217\u306e\u548c \u5dee\u304c1\u306e\u7b49\u5dee\u6570\u5217\u306e\u548c\u3092\u8a08\u7b97\u3059\u308b\u95a2\u6570 soap(sum of arithmetic progression) \u3092\u8003\u3048\u308b\u3002 soap 0 = 0 soap 1 = 0 + 1 soap 2 = 0 + 1 + 2 soap 3 = 0 + 1 + 2 + 3 soap 4 = 0 + 1 + 2 + 3 + 4 \u4e00\u6b69\u624b\u524d\u3092\u4f7f\u3046\u3068\u3069\u3046\u306a\u308b\uff1f soap 0 = 0 soap 1 = soap 0 + 1 so\u2026","author_url":"https://blog.hatena.ne.jp/kazu-yamamoto/","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkazu-yamamoto.hatenablog.jp%2Fentry%2F20130330%2F1364610328\" title=\"\u518d\u5e30\u30c9\u30ea\u30eb(1)\uff1a\u6570\u5024\u306b\u5bfe\u3059\u308b\u7d20\u6734\u306a\u518d\u5e30 - \u3042\u3069\u3051\u306a\u3044\u8a71\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://kazu-yamamoto.hatenablog.jp/entry/20130330/1364610328","published":"2013-03-30 11:25:28","categories":[],"author_name":"kazu-yamamoto","type":"rich","height":"190","provider_url":"https://hatena.blog","title":"\u518d\u5e30\u30c9\u30ea\u30eb(1)\uff1a\u6570\u5024\u306b\u5bfe\u3059\u308b\u7d20\u6734\u306a\u518d\u5e30","provider_name":"Hatena Blog","version":"1.0","image_url":null,"blog_url":"https://kazu-yamamoto.hatenablog.jp/"}