{"blog_title":"kmjp's blog","author_url":"https://blog.hatena.ne.jp/kmjp/","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://kmjp.hatenablog.jp/","provider_name":"Hatena Blog","image_url":null,"height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2024%2F03%2F16%2F0900\" title=\"Codeforces #877 : Div2 E. Count Supersequences - 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>","url":"https://kmjp.hatenablog.jp/entry/2024/03/16/0900","author_name":"kmjp","categories":["Codeforces"],"width":"100%","published":"2024-03-16 09:00:00","description":"\u60aa\u304f\u306f\u306a\u304b\u3063\u305f\u56de\u3002 https://codeforces.com/contest/1838/problem/E","type":"rich","title":"Codeforces #877 : Div2 E. Count Supersequences"}