{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2025%2F09%2F10%2F1000\" title=\"AtCoder ARC #205 : B - Triangle Toggle - 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>","provider_name":"Hatena Blog","title":"AtCoder ARC #205 : B - Triangle Toggle","author_url":"https://blog.hatena.ne.jp/kmjp/","width":"100%","height":"190","description":"\u5168\u5b8c\u3067\u304d\u305f\u3051\u3069\u3001\u8272\u3005\u624b\u9593\u53d6\u3063\u305f\u3002 https://atcoder.jp/contests/arc205/tasks/arc205_b","provider_url":"https://hatena.blog","version":"1.0","blog_url":"https://kmjp.hatenablog.jp/","type":"rich","published":"2025-09-10 10:00:00","author_name":"kmjp","image_url":null,"categories":["ARC"],"blog_title":"kmjp's blog","url":"https://kmjp.hatenablog.jp/entry/2025/09/10/1000"}