{"title":"Problem 112","width":"100%","height":"190","published":"2012-07-12 00:00:00","categories":["Ruby","Euler"],"version":"1.0","type":"rich","description":"Project Euler\u306eProblem 112(\u65e5\u672c\u8a9e)\u3067\u3059\u3002 \u5897\u52a0\u6570\u306e\u5834\u5408\u3001up_cnt == (\u6570\u5b57\u306e\u6841\u6570 - 1) \u6e1b\u5c11\u6570\u306e\u5834\u5408\u3001down_cnt == (\u6570\u5b57\u306e\u6841\u6570 - 1) \u3068\u306a\u308b\u3053\u3068\u3092\u5229\u7528\u3057\u3066\u3044\u307e\u3059\u3002up_cnt(, down_cnt)\u306f\u5de6\u306e\u6841\u3088\u308a\u5927\u304d\u3044(\u5c0f\u3055\u3044)\u304b\u7b49\u3057\u3044\u5834\u5408\u306b\u30a4\u30f3\u30af\u30ea\u30e1\u30f3\u30c8\u3057\u3066\u3044\u307e\u3059\u3002 112.rb","blog_title":"Mae\u5411\u304d\u306a\u30d6\u30ed\u30b0","image_url":null,"author_url":"https://blog.hatena.ne.jp/rahaema/","blog_url":"https://maehrm.hatenablog.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmaehrm.hatenablog.com%2Fentry%2F20120712%2Fp1\" title=\"Problem 112 - 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>","author_name":"rahaema","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","url":"https://maehrm.hatenablog.com/entry/20120712/p1"}