{"description":"https://atcoder.jp/contests/past202104-open/tasks/past202104_o \u524d\u63d0\u77e5\u8b58 \u6728\u4e0a\u3067\u306e\u6700\u77ed\u7d4c\u8def(LCA, \u30c0\u30d6\u30ea\u30f3\u30b0, HL\u5206\u89e3\u2026) \u6700\u77ed\u7d4c\u8def\u554f\u984c \u89e3\u8aac https://atcoder.jp/contests/past202104-open/submissions/22667026 \u6700\u7d42\u554f\u984c\u3002\u4eca\u307e\u3067\u306a\u304b\u306a\u304b\u898b\u305f\u3053\u3068\u304c\u306a\u3044\u96e3\u3057\u3044\u554f\u984c\u3002 M\u2266N+10\u3068\u3044\u3046\u898b\u6163\u308c\u306a\u3044\u6761\u4ef6\u304c\u3042\u308b\u306e\u3067\u3001\u3053\u308c\u3092\u3046\u307e\u304f\u4f7f\u3046\u3093\u3060\u308d\u3046\u3068\u3044\u3046\u3053\u3068\u306f\u5206\u304b\u308b\u306e\u3060\u304c\u3001\u305d\u3053\u304b\u3089\u4e00\u6b69\u98db\u8e8d\u3059\u308b\u306e\u304c\u96e3\u3057\u3044\u3002 \u9806\u756a\u306b\u8003\u3048\u3066\u3044\u3053\u3046\u3002 \u3088\u308a\u7c21\u5358\u306a\u554f\u984c\u3092\u307e\u305a\u306f\u8003\u3048\u3066\u307f\u308b \u3088\u304f\u3042\u308b\u554f\u984c\u3068\u3057\u3066\u3001M\u2026","image_url":null,"provider_url":"https://hatena.blog","version":"1.0","author_name":"hamayanhamayan","height":"190","provider_name":"Hatena Blog","blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","title":"Shortest Distance Query [\u7b2c\u516d\u56de \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u5b9f\u6280\u691c\u5b9a O]","url":"https://blog.hamayanhamayan.com/entry/2021/05/16/220258","published":"2021-05-16 22:02:58","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2021%2F05%2F16%2F220258\" title=\"Shortest Distance Query [\u7b2c\u516d\u56de \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u5b9f\u6280\u691c\u5b9a O] - \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>","type":"rich","blog_url":"https://blog.hamayanhamayan.com/","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","width":"100%"}