{"version":"1.0","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2019%2F12%2F23%2F220145\" title=\"Double Factorial [AtCoder Beginner Contest 148 E] - \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>","url":"https://blog.hamayanhamayan.com/entry/2019/12/23/220145","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","provider_url":"https://hatena.blog","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"title":"Double Factorial [AtCoder Beginner Contest 148 E]","provider_name":"Hatena Blog","blog_url":"https://blog.hamayanhamayan.com/","height":"190","image_url":null,"width":"100%","author_name":"hamayanhamayan","type":"rich","description":"https://atcoder.jp/contests/abc148/tasks/abc148_e \u89e3\u8aac https://atcoder.jp/contests/abc148/submissions/9103493 \u5927\u5b66\u53d7\u9a13\u3092\u6e08\u307e\u305b\u3066\u3044\u308b\u4eba\u306f\u3001\u3053\u306e\u554f\u984c\u3092\u898b\u305f\u3089\u30d4\u30f3\u3068\u6765\u308b\u304b\u3082\u3057\u308c\u306a\u3044\u3002 \u3042\u308b\u6570\u306e\u672b\u5c3e\u306b\u7d9a\u304f0\u306e\u500b\u6570\u306f\u3042\u308b\u6570\u3092\u7d20\u56e0\u6570\u5206\u89e3\u3057\u305f\u3068\u304d\u306emin(2\u306e\u500b\u6570, 5\u306e\u500b\u6570)\u3068\u306a\u308b\u3002 \u3053\u308c\u3092\u30d9\u30fc\u30b9\u3068\u3057\u3066\u8003\u3048\u3066\u3044\u304f\u3002 \u3059\u308b\u3068N\u304c\u5947\u6570\u306e\u5834\u5408\u306f\u3001\u304b\u3051\u308b\u5168\u3066\u306e\u6570\u306b2\u3092\u7d04\u6570\u3068\u3057\u3066\u542b\u307e\u306a\u3044\u306e\u3067\u3001\u7b54\u3048\u306f0\u306b\u306a\u308b\u3002 N\u304c\u5076\u6570\u306e\u5834\u5408\u306f\u3001 246810121416... \u3068\u306a\u3063\u3066\u3044\u304f\u3002 2\u306f\u3080\u3061\u3083\u304f\u3061\u3083\u3042\u308b\u306e\u3067\u3001\u5b9f\u8cea5\u2026","published":"2019-12-23 22:01:45"}