{"image_url":null,"description":"Quiz https://codeforces.com/contest/1281/problem/D AC https://codeforces.com/contest/1280/submission/92201582 \u89e3\u8aac editorial\u306e\u901a\u308a\u3001\u3072\u305f\u3059\u3089\u5834\u5408\u5206\u3051\u3002\u8003\u5bdf\u96e3\u6613\u5ea6\u306f\u4f4e\u3044 \u5b66\u3073 \u3088\u308a\u5c0f\u3055\u3044\u7b54\u3048\u306b\u306a\u308b\u3082\u306e\u3092\u30b3\u30fc\u30c9\u306e\u524d\u65b9\u306b\u66f8\u304f \u9577\u304f\u306a\u308a\u304c\u3061\u3060\u3057\u3001\u63d0\u51fa\u5f8c\u306bWA\u306b\u306a\u308a\u3084\u3059\u304f\u3001\u306f\u307e\u308a\u3084\u3059\u3044\u3002\u30b3\u30f3\u30c6\u30b9\u30c8\u4e2d\u306f\u306f\u307e\u308b\u5371\u967a\u5ea6\u304c\u9ad8\u3044 bool is_A_line(string& s){ for(char c : s){ if(c!='A') return false; } return true; \u2026","width":"100%","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fperogram.hateblo.jp%2Fentry%2F2020%2F09%2F08%2F193632\" title=\"B. Beingawesomeism - perogram\" 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","categories":["1800"],"type":"rich","published":"2020-09-08 19:36:32","title":"B. Beingawesomeism","author_name":"peroon","url":"https://perogram.hateblo.jp/entry/2020/09/08/193632","blog_url":"https://perogram.hateblo.jp/","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/peroon/","version":"1.0","blog_title":"perogram"}