{"image_url":null,"type":"rich","author_url":"https://blog.hatena.ne.jp/kmjp/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2025%2F08%2F02%2F0930\" title=\"AtCoder ARC #202 : B - Japanese &quot;Knight&#39;s Tour&quot; - 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>","width":"100%","published":"2025-08-02 09:30:00","author_name":"kmjp","provider_name":"Hatena Blog","blog_url":"https://kmjp.hatenablog.jp/","title":"AtCoder ARC #202 : B - Japanese \"Knight's Tour\"","provider_url":"https://hatena.blog","description":"\u3053\u308c\u306f\u3059\u3093\u306a\u308a\u3060\u3063\u305f\u3002 https://atcoder.jp/contests/arc202/tasks/arc202_b","blog_title":"kmjp's blog","url":"https://kmjp.hatenablog.jp/entry/2025/08/02/0930","version":"1.0","categories":["ARC"]}