{"height":"190","author_url":"https://blog.hatena.ne.jp/Yuulis/","provider_name":"Hatena Blog","type":"rich","author_name":"Yuulis","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fyuulis.hatenablog.com%2Fentry%2FABC-421-all\" title=\"\u3010AtCoder\u3011AtCoder Beginner Contest 421 - \u53c2\u52a0\u8a18 | \u7dd1\u30b3\u30fc\u30c0\u30fc\u304c\u89e3\u304fAtCoder - Yuulis.log\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_title":"Yuulis.log","blog_url":"https://yuulis.hatenablog.com/","categories":["AtCoder-ABC-\u30b3\u30f3\u30c6\u30b9\u30c8\u307e\u3068\u3081","AtCoder-ABC","AtCoder","ABC","\u30b3\u30f3\u30c6\u30b9\u30c8\u307e\u3068\u3081","\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"url":"https://yuulis.hatenablog.com/entry/ABC-421-all","description":"AtCoder Beginner Contest 421 \u306e\u307e\u3068\u3081\u8a18\u4e8b\u3002","published":"2025-08-31 21:00:00","title":"\u3010AtCoder\u3011AtCoder Beginner Contest 421 - \u53c2\u52a0\u8a18 | \u7dd1\u30b3\u30fc\u30c0\u30fc\u304c\u89e3\u304fAtCoder","provider_url":"https://hatena.blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/Y/Yuulis/20250831/20250831202551.png","width":"100%","version":"1.0"}