{"author_url":"https://blog.hatena.ne.jp/kmjp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2014%2F12%2F02%2F1030\" title=\"Codeforces #280 Div2 E. Vanya and Field - 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>","blog_url":"https://kmjp.hatenablog.jp/","height":"190","categories":["Codeforces"],"blog_title":"kmjp's blog","type":"rich","width":"100%","provider_url":"https://hatena.blog","author_name":"kmjp","image_url":null,"description":"D\u3088\u308a\u7c21\u5358\u3002 http://codeforces.com/contest/492/problem/E","title":"Codeforces #280 Div2 E. Vanya and Field","provider_name":"Hatena Blog","published":"2014-12-02 10:30:00","version":"1.0","url":"https://kmjp.hatenablog.jp/entry/2014/12/02/1030"}