{"description":"https://beta.atcoder.jp/contests/summerfes2018-div1/tasks/summerfes2018_d \u8003\u5bdf\u904e\u7a0b 1. \u6700\u5c0f\u30d1\u30b9\u88ab\u8986\u304b\u306a\uff1f\u3068\u4e00\u77ac\u601d\u3046\u304c\u3001\u3053\u306e\u65b9\u91dd\u3067\u3044\u304f\u3068WA 2. \u3053\u306e\u65b9\u91dd\u3067\u306f\u306a\u3044\u6642\u306b\u8003\u3048\u3089\u308c\u308b\u306e\u306f\u6728DP\u304f\u3089\u3044 3. \u30d1\u30b9\u306e\u72b6\u6cc1\u3082\u8ffd\u52a0\u3067\u4fdd\u5b58\u3057\u3066\u304a\u304f\u5fc5\u8981\u304c\u3042\u308a\u305d\u3046 4. \u6b63\u76f4\u3001\u3042\u307e\u308a\u81ea\u4fe1\u306f\u306a\u3044\u3051\u3069\u3001\u5b9f\u88c5\u3057\u3066\u307f\u308b\u3068\u901a\u308b \u89e3\u6cd5 https://beta.atcoder.jp/contests/summerfes2018-div1/submissions/3071026\u6728DP\u3092\u3059\u308b dfs(cu) = \u9802\u70b9cu\u3092\u6839\u3068\u3057\u305f\u90e8\u5206\u6728\u3092\u6539\u5909\u3057\u3066\u4f5c\u308c\u308b\u2026","title":"\u6728\u304b\u3089\u30d1\u30b9\u3078 (Tree--->path) [Summer Festival Contest 2018 D]","provider_name":"Hatena Blog","version":"1.0","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"blog_url":"https://blog.hamayanhamayan.com/","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","published":"2018-08-25 18:40:54","author_name":"hamayanhamayan","height":"190","url":"https://blog.hamayanhamayan.com/entry/2018/08/25/184054","type":"rich","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2018%2F08%2F25%2F184054\" title=\"\u6728\u304b\u3089\u30d1\u30b9\u3078 (Tree---&gt;path) [Summer Festival Contest 2018 D] - \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>","width":"100%","provider_url":"https://hatena.blog","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093"}