{"description":"http://codeforces.com/contest/935/problem/E\u4ee5\u4e0b\u306e\u30eb\u30fc\u30eb\u306e\u6587\u5b57\u5217\u304c\u3042\u308b\u3002 d\u306f1\u6841\u306e\u81ea\u7136\u6570\u3067\u3042\u308a\u3001d\u306e\u307f\u3067\u30a2\u30fc\u30e1\u30b9\u5f0f E1,E2\u304c\u30a2\u30fc\u30e1\u30b9\u5f0f\u306a\u3089(E1 op E2)\u3082\u30a2\u30fc\u30e1\u30b9\u5f0f\u3002op\u306f+\u304b- \u30a2\u30fc\u30e1\u30b9\u5f0f\u306eop\u306e\u90e8\u5206\u304c\u5168\u3066?\u3068\u306a\u3063\u3066\u3044\u308b\u5f0fE\u304c\u3042\u308b\u3002 \u3053\u306e?\u306b+\u3092P\u500b\u3001-\u3092M\u500b\u5165\u308c\u3066\u3001\u30a2\u30fc\u30e1\u30b9\u5f0f\u3092\u8a55\u4fa1\u3057\u305f\u3068\u304d\u306e\u6570\u3092\u6700\u5927\u5316\u305b\u3088\u3002","author_name":"hamayanhamayan","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2018%2F02%2F20%2F042143\" title=\"Fafa and Ancient Mathematics [Codeforces Round #465 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>","blog_url":"https://blog.hamayanhamayan.com/","image_url":null,"height":"190","published":"2018-02-20 04:21:43","version":"1.0","provider_url":"https://hatena.blog","width":"100%","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","type":"rich","url":"https://blog.hamayanhamayan.com/entry/2018/02/20/042143","title":"Fafa and Ancient Mathematics [Codeforces Round #465 E]"}