{"type":"rich","provider_url":"https://hatena.blog","blog_title":"\u304d\u308d\u304f","url":"https://babcs2035.hateblo.jp/entry/2019/01/07/173645","description":"\u554f\u984c \u89e3\u6cd5 \u89e3\u7b54 \u554f\u984c atcoder.jp \u89e3\u6cd5 dp(i, f) := \u9802\u70b9 i \u3092\u9ed2\u3067\u5857\u308c\u308b\u304b\u3069\u3046\u304b\u304c f \u306e\u3068\u304d\uff0c\u9802\u70b9 i \u304b\u3089\u5230\u9054\u3067\u304d\u308b\u9802\u70b9\u3092\u5857\u308a\u5206\u3051\u308b\u901a\u308a\u6570 \u3068\u5b9a\u7fa9\u3059\u308b\uff0e\u3053\u306e\u3068\u304d\uff0c dp(i, f) = dp(v_1, true) * dp(v_2, true) * ... (f == false \u306e\u3068\u304d) dp(i, f) = dp(v_1, false) * dp(v_2, false) * ... + dp(v_1, true) * dp(v_2, true) * ... (f == true \u306e\u3068\u304d) (v \u306f\u9802\u70b9 i \u304b\u3089\u76f4\u63a5\u884c\u3051\u308b\u9802\u70b9) \u3068\u6f38\u5316\u5f0f\u304c\u7acb\u3064\uff0e\u72b6\u614b\u6570 O(N)\u2026","title":"Educational DP Contest\uff1aP - Independent Set","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbabcs2035.hateblo.jp%2Fentry%2F2019%2F01%2F07%2F173645\" title=\"Educational DP Contest\uff1aP - Independent Set - \u304d\u308d\u304f\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","published":"2019-01-07 17:36:45","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/b/babcs2035/20190107/20190107173548.png","blog_url":"https://babcs2035.hateblo.jp/","author_name":"babcs2035","height":"190","author_url":"https://blog.hatena.ne.jp/babcs2035/","provider_name":"Hatena Blog","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0","AtCoder \u305d\u306e\u4ed6\u306e\u554f\u984c"]}