{"blog_url":"https://kmjp.hatenablog.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2026%2F08%2F06%2F0930\" title=\"Codeforces #667 : Div3. F. Subsequences of Length Two - 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>","version":"1.0","published":"2026-08-06 09:30:00","author_url":"https://blog.hatena.ne.jp/kmjp/","provider_url":"https://hatena.blog","author_name":"kmjp","categories":["Codeforces"],"url":"https://kmjp.hatenablog.jp/entry/2026/08/06/0930","image_url":null,"provider_name":"Hatena Blog","title":"Codeforces #667 : Div3. F. Subsequences of Length Two","type":"rich","blog_title":"kmjp's blog","height":"190","description":"\u672c\u756a\u306f\u6642\u9593\u306f\u3059\u3093\u306a\u308a\u3060\u304c\uff11\u30df\u30b9\u304c\u3082\u3063\u305f\u3044\u306a\u3044\u3002 https://codeforces.com/contest/1409/problem/F","width":"100%"}