{"version":"1.0","width":"100%","published":"2018-07-19 23:44:47","height":"190","author_url":"https://blog.hatena.ne.jp/d_tutuz/","provider_name":"Hatena Blog","url":"https://tutuz.hateblo.jp/entry/2018/07/19/234447","blog_title":"\u6570\u5b66/\u7af6\u30d7\u30ed\u30e1\u30e2","image_url":null,"author_name":"d_tutuz","categories":["\u6570\u3048\u4e0a\u3052","bitDP","\u52d5\u7684\u8a08\u753b\u6cd5"],"description":"\u554f\u984c https://beta.atcoder.jp/contests/abc041/tasks/abc041_d N \u9802\u70b9\u4e0a\u306e\u30b0\u30e9\u30d5\u306b\u3001M\u672c\u306e\u6709\u5411\u8fba\u304c\u4e0e\u3048\u3089\u308c\u308b\u3002M\u672c\u306e\u6709\u5411\u8fba\u306e\u6761\u4ef6\u3092\u6e80\u305f\u3057\u3001N \u500b\u306e\u9802\u70b9\u3092\u5de6\u304b\u3089\u53f3\u3078\u6a2a\u4e00\u5217\u306b\u4e26\u3079\u308b\u4e26\u3079\u65b9\u306f\u4f55\u901a\u308a\u304b\u3002 \u5236\u7d04 2 <= N <= 16 1 <= M <= N(N-1)/2 \u8003\u3048\u65b9 \u30c8\u30dd\u30ed\u30b8\u30ab\u30eb\u30bd\u30fc\u30c8\u306e\u6570\u3048\u4e0a\u3052\u554f\u984c\u3067\u3042\u308b\u3002\u9802\u70b9\u96c6\u5408\u3092 S \u3068\u3057\u3066DAG\u4e0a\u306e\u53f3\u304b\u3089\u9806\u5e8f\u3092\u78ba\u5b9a\u3057\u3066\u3044\u304f\u3053\u3068\u3068\u3059\u308b\u3002 \u30b5\u30f3\u30d7\u30eb1\u3092\u4f8b\u306b\u8003\u3048\u308b\u3002 S = {1, 2, 3} \u3067\u3042\u308b\u3002 \u9802\u70b9\u96c6\u5408 S \u3092\u30c8\u30dd\u30ed\u30b8\u30ab\u30eb\u30bd\u30fc\u30c8\u3059\u308b\u4e26\u3079\u65b9\u3092 f(S) \u3092\u8868\u3059\u3053\u3068\u3068\u3059\u308b\u3002\u7a7a\u96c6\u5408\u3092\u30c8\u30dd\u30ed\u30b8\u30ab\u30eb\u30bd\u2026","type":"rich","provider_url":"https://hatena.blog","blog_url":"https://tutuz.hateblo.jp/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Ftutuz.hateblo.jp%2Fentry%2F2018%2F07%2F19%2F234447\" title=\"ABC041-D:\u5f92\u7af6\u8d70 - \u6570\u5b66/\u7af6\u30d7\u30ed\u30e1\u30e2\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"ABC041-D:\u5f92\u7af6\u8d70"}