{"author_url":"https://blog.hatena.ne.jp/kmjp/","published":"2017-10-29 09:00:00","height":"190","blog_title":"kmjp's blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2017%2F10%2F29%2F0900\" title=\"Codeforces ECR #031 : D. Boxes And Balls - 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>","description":"\u3044\u307e\u3044\u3061\u306a\u51fa\u6765\u3002 http://codeforces.com/contest/884/problem/D","version":"1.0","url":"https://kmjp.hatenablog.jp/entry/2017/10/29/0900","width":"100%","provider_url":"https://hatena.blog","blog_url":"https://kmjp.hatenablog.jp/","author_name":"kmjp","title":"Codeforces ECR #031 : D. Boxes And Balls","provider_name":"Hatena Blog","type":"rich","categories":["Codeforces"],"image_url":null}