{"provider_name":"Hatena Blog","published":"2026-04-10 14:13:13","blog_title":"AtCoderInfo","description":"1. \u6982\u8981 \u672c\u8a18\u4e8b\u3067\u306f\uff0c\u6839\u4ed8\u304d\u6728\u306e HLD\uff08\u91cd\u8efd\u5206\u89e3\uff09\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\uff0e HLD \u306f\u6839\u4ed8\u304d\u6728\u306e\u8fba\u3092 heavy edge\uff0clight edge \u306e $2$ \u7a2e\u306b\u5206\u3051\u3066\u6271\u3046\u3053\u3068\u3067\uff0c\u6728\u306e\u9802\u70b9\u5168\u4f53\u3092\u3044\u304f\u3064\u304b\u306e\u30d1\u30b9\u306b\u5206\u89e3\u3059\u308b\u3082\u306e\u3067\u3059\uff0e HLD \u306f\uff0c\u6728\u306b\u5bfe\u3059\u308b\u3055\u307e\u3056\u307e\u306a\u8a08\u7b97\u306b\u5e45\u5e83\u304f\u4f7f\u3048\u308b\u30c6\u30af\u30cb\u30c3\u30af\u3067\u3059\uff0e\u672c\u8a18\u4e8b\u3067\u306f\u6728\u306e\u30d1\u30b9\u30af\u30a8\u30ea\u3068\u547c\u3070\u308c\u308b\u30bf\u30a4\u30d7\u306e\u554f\u984c\u3092\u4e3b\u306b\u6271\u3046\u3053\u3068\u3068\u3057\u3066\uff0c\u305d\u308c\u4ee5\u5916\u306e\u5fdc\u7528\u306b\u3064\u3044\u3066\u306f\u5225\u8a18\u4e8b\u3067\u6271\u3046\u3053\u3068\u3068\u3057\u307e\u3059\uff0e 2. \u524d\u63d0\u77e5\u8b58 \u6839\u4ed8\u304d\u6728\u306b\u95a2\u3059\u308b\u7528\u8a9e\uff0e\u30bb\u30b0\u30e1\u30f3\u30c8\u6728\u306a\u3069\u306e\u30c7\u30fc\u30bf\u69cb\u9020\uff0e 3. HLD 3.1. HLD \u3068\u305d\u306e\u6027\u8cea \u6839\u4ed8\u304d\u6728\u306b\u304a\u3051\u308b\u5b50\u3092\u6301\u3064\u9802\u70b9\u306b\u3064\u3044\u3066\uff0c\u90e8\u5206\u6728\u306e\u9802\u70b9\u6570\u304c\u6700\u3082\u591a\u3044\u5b50\u3092\u3072\u3068\u2026","type":"rich","blog_url":"https://info.atcoder.jp/","author_url":"https://blog.hatena.ne.jp/atcoder/","width":"100%","height":"190","categories":["\u30b0\u30e9\u30d5\u7406\u8ad6","\u6728","HLD\uff08\u91cd\u8efd\u5206\u89e3\uff09","LCA\uff08\u6700\u5c0f\u5171\u901a\u7956\u5148\uff09"],"author_name":"atcoder","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finfo.atcoder.jp%2Fentry%2Falgorithm_lectures%2Fheavy_light_decomposition\" title=\"\u91cd\u8efd\u5206\u89e3\uff08HLD\uff09 - AtCoderInfo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/158934417/1702097020779738","title":"\u91cd\u8efd\u5206\u89e3\uff08HLD\uff09","url":"https://info.atcoder.jp/entry/algorithm_lectures/heavy_light_decomposition","provider_url":"https://hatena.blog"}