{"width":"100%","title":"Codeforces #530 Div1 A. Sum in the tree","provider_url":"https://hatena.blog","description":"\u6700\u8fd1\u4e2d\u96e3\u6613\u5ea6\u306e\u554f\u984c\u306b\u3088\u304f\u53d6\u308a\u7d44\u3080\u306e\u3067\u3001\u30d6\u30ed\u30b0\u66f8\u304f\u65b9\u304c\u9045\u308c\u3066\u3044\u308b\u3002 https://codeforces.com/contest/1098/problem/A","blog_url":"https://kmjp.hatenablog.jp/","categories":["Codeforces"],"author_url":"https://blog.hatena.ne.jp/kmjp/","type":"rich","version":"1.0","provider_name":"Hatena Blog","blog_title":"kmjp's blog","url":"https://kmjp.hatenablog.jp/entry/2019/02/20/0900","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2019%2F02%2F20%2F0900\" title=\"Codeforces #530 Div1 A. Sum in the tree - 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>","image_url":null,"height":"190","author_name":"kmjp","published":"2019-02-20 09:00:00"}