{"blog_title":"\u30bf\u30a4\u30c8\u30eb","description":"\u51fa\u5c55 Codeforces Beta Round #99 - Div. 2 A \u6982\u8981 \u3069\u306e\u66dc\u65e5\u306b\u4f55\u9801\u8aad\u3080\u304b\u3092\u4e0e\u3048\u3089\u308c\u308b n\u30da\u30fc\u30b8\u306e\u672c\u3092\u6bce\u9031\u3053\u306e\u30da\u30fc\u30b9\u3067\u6708\u66dc\u65e5\u306b\u8aad\u307f\u59cb\u3081\u308b\u3068\u3001\u3044\u3064\u8aad\u307f\u7d42\u308f\u308b\u304b n\u304c\u3042\u307e\u308a\u306b\u3082\u5c0f\u3055\u3044\u306e\u3067\u3001\u5b9f\u969b\u306b\u30b7\u30df\u30e5\u30ec\u30fc\u30b7\u30e7\u30f3\u3057\u305f \u30bd\u30fc\u30b9 https://github.com/mkut/cf/tree/master/01-99/99/139A/haskell.hs","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmkut.hatenadiary.org%2Fentry%2F20111230%2F1325244915\" title=\"139A - Petr and Book - \u30bf\u30a4\u30c8\u30eb\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_url":"https://blog.hatena.ne.jp/mkut/","published":"2011-12-30 20:35:15","type":"rich","provider_name":"Hatena Blog","author_name":"mkut","url":"https://mkut.hatenadiary.org/entry/20111230/1325244915","image_url":null,"blog_url":"https://mkut.hatenadiary.org/","title":"139A - Petr and Book","width":"100%","version":"1.0","categories":["Codeforces","Haskell"],"provider_url":"https://hatena.blog","height":"190"}