{"title":"Atcoder Regular Contest 088 F. Christmas Tree","provider_url":"https://hatena.blog","published":"2018-01-16 16:13:46","image_url":null,"provider_name":"Hatena Blog","type":"rich","author_name":"KokiYamaguchi","blog_title":"Learning Algorithms","blog_url":"https://kokiymgch.hatenablog.com/","url":"https://kokiymgch.hatenablog.com/entry/2018/01/16/155917","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkokiymgch.hatenablog.com%2Fentry%2F2018%2F01%2F16%2F155917\" title=\"Atcoder Regular Contest 088 F. Christmas Tree - Learning Algorithms\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"Atcoder Regular Contest 088 F. Christmas Tree F - Christmas Tree \u611f\u60f3 \u6728\u3092\u3044\u304f\u3064\u304b\u306e\u30d1\u30b9\u3067\u88ab\u8986\u3059\u308b\u3001\u3088\u304f\u3042\u308a\u305d\u3046\u306a\u554f\u984c\u3067\u3059\u3002CSA Flip the Edges\u306b\u4f3c\u3066\u3044\u307e\u3059\u3002 \u89e3\u6cd5 \u307e\u305a\u30d1\u30b9\u306e\u4e21\u7aef\u306e\u6b21\u6570\u306f\u5947\u6570\u3067\u305d\u308c\u4ee5\u5916\u306f\u5076\u6570\u3067\u3042\u308b\uff08\u305d\u308c\u306f\u305d\u3046\uff09\u3068\u3044\u3046\u6027\u8cea\u304b\u3089\u3001\u30b0\u30e9\u30d5\u306e\u5947\u6570\u6b21\u306e\u9802\u70b9\u306f\u4e00\u3064\u4ee5\u4e0a\u306e\u30d1\u30b9\u306e\u7aef\u3063\u3053\u306e\u70b9\u306b\u306a\u308b\u306f\u305a\u306a\u306e\u3067\u3001$A$ \u306e\u5fc5\u8981\u6761\u4ef6\u3068\u3057\u3066\u3001$ A \\geq $ (\u5947\u6570\u6b21\u306e\u9802\u70b9\u6570 / $2$ ) \u304c\u8a00\u3048\u307e\u3059\u3002\u3082\u3046\u5c11\u3057\u8003\u3048\u308b\u3068\u3001$ A =$ (\u5947\u6570\u6b21\u306e\u9802\u70b9\u6570 / $2$) \u304c\u8a00\u3048\u307e\u3059\u3002\u3053\u308c\u306f\u8449\u304b\u3089\u9806\u306b\u30d1\u30b9\u3092\u4f5c\u3063\u3066\u3044\u304f\u3053\u3068\u3092\u2026","categories":["Atcoder"],"author_url":"https://blog.hatena.ne.jp/KokiYamaguchi/","height":"190","width":"100%"}