{"height":"190","author_name":"hamayanhamayan","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2019%2F10%2F05%2F091050\" title=\"K-ary \u03b5xtr\u03b5\u03b5m\u03b5 [yukicoder 901] - \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>","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","width":"100%","type":"rich","image_url":null,"url":"https://blog.hamayanhamayan.com/entry/2019/10/05/091050","description":"https://yukicoder.me/problems/no/901 \u524d\u63d0\u77e5\u8b58 LCA \u89e3\u8aac https://yukicoder.me/submissions/387110 \u3053\u306e\u554f\u984c\u306e\u4e0a\u4f4d\u4e92\u63db\u3067\u3042\u308b\u304c\u3001\u672c\u8cea\u7684\u306b\u306f\u540c\u3058\u89e3\u6cd5\u3092\u4f7f\u3048\u308b\u3002 \u4e0e\u3048\u3089\u308c\u305f\u9802\u70b9\u3092Euler Tour\u3067\u306e\u9806\u756a\u306b\u30bd\u30fc\u30c8\u3059\u308b\u3068\u3001(v1->v2\u306e\u8ddd\u96e2+v2->v3\u306e\u8ddd\u96e2+...+vN->v1\u306e\u8ddd\u96e2)/2\u304c\u7b54\u3048\u306b\u306a\u308b\u3002 \u3053\u308c\u306fv1->v2->...->vN->v1\u3068\u3059\u308b\u3068\u3001\u8fba\u3092\u3061\u3087\u3046\u30692\u56de\u3060\u3051\u901a\u308b\u30d1\u30b9\u306b\u306a\u308b\u305f\u3081\u3067\u3042\u308b\u3002 \u3061\u3087\u3046\u30692\u56de\u901a\u308b\u7406\u7531\u3068\u3057\u3066\u306f\u3001Euler Tour\u306fDFS\u3067\u9806\u756a\u306b\u9077\u79fb\u3057\u3066\u3044\u3066\u3001 \u305d\u306e\u9806\u756a\u306b\u4e26\u3073\u66ff\u3048\u305f\u3068\u3044\u3046\u3053\u3068\u2026","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"version":"1.0","provider_url":"https://hatena.blog","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","blog_url":"https://blog.hamayanhamayan.com/","title":"K-ary \u03b5xtr\u03b5\u03b5m\u03b5 [yukicoder 901]","published":"2019-10-05 09:10:50","provider_name":"Hatena Blog"}