{"author_url":"https://blog.hatena.ne.jp/atetubou/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fatetubou.hatenadiary.org%2Fentry%2F20111009%2F1318169784\" title=\"PKU 2668 Defending Castle - \u65e5\u8a18\" 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://atetubou.hatenadiary.org/","width":"100%","blog_title":"\u65e5\u8a18","provider_url":"https://hatena.blog","height":"190","image_url":null,"published":"2011-10-09 23:16:24","version":"1.0","title":"PKU 2668 Defending Castle","description":"http://poj.org/problem?id=2668 \u3042\u308b\u6574\u6570n,d\u304c\u4e0e\u3048\u3089\u308c\u308b\u3002 \u3053\u306e\u6642\u3001\u03a3(1","url":"https://atetubou.hatenadiary.org/entry/20111009/1318169784","type":"rich","provider_name":"Hatena Blog","categories":["PKU"],"author_name":"atetubou"}