{"width":"100%","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","image_url":null,"published":"2019-07-20 23:08:55","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2019%2F07%2F20%2F230855\" title=\"Dodecagon [AtCoder Beginner Contest 134 A] - \u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"Dodecagon [AtCoder Beginner Contest 134 A]","url":"https://blog.hamayanhamayan.com/entry/2019/07/20/230855","description":"https://atcoder.jp/contests/abc134/tasks/abc134_a \u89e3\u8aac https://atcoder.jp/contests/abc134/submissions/6477844 \u554f\u984c\u306b\u66f8\u3044\u3066\u3042\u308b\u8a08\u7b97\u5f0f\u3092\u305d\u306e\u307e\u307e\u5b9f\u88c5\u3057\u3088\u3046\u3002 int R; //--------------------------------------------------------------------------------------------------- void _main() { cin >> R; int ans = 3 * R * R; cout << ans <<\u2026","height":"190","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"version":"1.0","author_name":"hamayanhamayan","provider_url":"https://hatena.blog","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","blog_url":"https://blog.hamayanhamayan.com/","provider_name":"Hatena Blog","type":"rich"}