{"author_url":"https://blog.hatena.ne.jp/kmjp/","url":"https://kmjp.hatenablog.jp/entry/2015/01/24/0930","version":"1.0","blog_title":"kmjp's blog","type":"rich","provider_name":"Hatena Blog","width":"100%","blog_url":"https://kmjp.hatenablog.jp/","title":"Codeforces #287 Div2 D. The Maths Lecture","image_url":null,"height":"190","description":"E\u3088\u308a\u3053\u3063\u3061\u306e\u65b9\u304c\u8ff7\u3063\u305f\u3002 http://codeforces.com/contest/507/problem/D","published":"2015-01-24 09:30:00","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2015%2F01%2F24%2F0930\" title=\"Codeforces #287 Div2 D. The Maths Lecture - kmjp&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","author_name":"kmjp","categories":["Codeforces"]}