{"blog_title":"\u30d0\u30a4\u30c8\u306e\u7af6\u30d7\u30ed\u30e1\u30e2","description":"https://atcoder.jp/contests/cf16-tournament-round2-open/tasks/asaporo_e \u89e3\u6cd5 \u8ddd\u96e2\u304c1\u306e\u6642\u4ee5\u5916\u306f\u53f3\u306b\u79fb\u52d5\u3057\u305f\u307b\u3046\u304c\u3044\u3044 En = p * (En-2) + (1-p) * (En) + 1 En = En-2 + 1 / p \u3088\u3063\u3066 E(2n+1) = E1 + (1/p)*n E(2n+2) = E2 + (1/p)*n \u307e\u305f\u3001E1,E2\u306f1/p\u3068\u306a\u308b\uff08\u9ad8\u6a4b\u541b\u304c\u5de6\u306b\u79fb\u52d5\u3059\u308c\u3070\u3044\u3044\u305f\u3081\uff09 https://atcoder.jp/contests/cf16-tournament-round2-open/submissions/\u2026","blog_url":"https://baitop.hatenadiary.jp/","type":"rich","version":"1.0","author_url":"https://blog.hatena.ne.jp/baitop/","image_url":null,"width":"100%","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbaitop.hatenadiary.jp%2Fentry%2F2019%2F03%2F24%2F161307\" title=\"A - \u8ff7\u5b50\u306e\u9ad8\u6a4b\u541b / Takahashi is Missing! - \u30d0\u30a4\u30c8\u306e\u7af6\u30d7\u30ed\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_url":"https://hatena.blog","published":"2019-03-24 16:13:07","url":"https://baitop.hatenadiary.jp/entry/2019/03/24/161307","author_name":"baitop","height":"190","title":"A - \u8ff7\u5b50\u306e\u9ad8\u6a4b\u541b / Takahashi is Missing!","categories":[]}