{"height":"190","width":"100%","image_url":null,"version":"1.0","blog_url":"https://kmjp.hatenablog.jp/","type":"rich","description":"\u3053\u306e\u56de\u306f\u3060\u3044\u3076\u3059\u3093\u306a\u308a\u3002 https://codeforces.com/contest/1353/problem/F","author_url":"https://blog.hatena.ne.jp/kmjp/","url":"https://kmjp.hatenablog.jp/entry/2026/07/03/0930","categories":["Codeforces"],"provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2026%2F07%2F03%2F0930\" title=\"Codeforces #642 : Div3. F. Decreasing Heights - 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_url":"https://hatena.blog","title":"Codeforces #642 : Div3. F. Decreasing Heights","published":"2026-07-03 09:30:00","blog_title":"kmjp's blog","author_name":"kmjp"}