{"categories":["Codeforces"],"provider_name":"Hatena Blog","url":"https://kmjp.hatenablog.jp/entry/2023/01/19/0900","published":"2023-01-19 09:00:00","author_name":"kmjp","blog_title":"kmjp's blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2023%2F01%2F19%2F0900\" title=\"Codeforces ECR #116 : F. Tree Queries - 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>","title":"Codeforces ECR #116 : F. Tree Queries","provider_url":"https://hatena.blog","type":"rich","blog_url":"https://kmjp.hatenablog.jp/","version":"1.0","image_url":null,"height":"190","width":"100%","description":"ECR\u30dc\u30b9\u554f\u306f\u3053\u3046\u3044\u3046\u306e\u3057\u3070\u3057\u3070\u898b\u308b\u6c17\u304c\u3059\u308b\u3002 https://codeforces.com/contest/1606/problem/F","author_url":"https://blog.hatena.ne.jp/kmjp/"}