{"blog_title":"\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093\u306f\u307e\u3084\u3093","height":"190","author_name":"hamayanhamayan","provider_name":"Hatena Blog","title":"Walk [Educational DP Contest / DP \u307e\u3068\u3081\u30b3\u30f3\u30c6\u30b9\u30c8 R]","image_url":null,"type":"rich","version":"1.0","description":"https://atcoder.jp/contests/dp/tasks/dp_r \u524d\u63d0\u77e5\u8b58 \u884c\u5217\u7d2f\u4e57\u306b\u3088\u308bDP\u9ad8\u901f\u5316 \u89e3\u8aac https://atcoder.jp/contests/dp/submissions/3955540\u9577\u3055K\u304c\u3068\u3066\u3082\u5927\u304d\u3044\uff0bN\u304c\u5c0f\u3055\u3044\u3068\u3044\u3046\u6240\u304b\u3089\u3001\u884c\u5217\u7d2f\u4e57\u611f\u304c\u304b\u306a\u308a\u3042\u308b\u3002 dp[k][cu] := \u9577\u3055k\u306e\u6709\u5411\u30d1\u30b9\u3067\u6700\u5f8c\u306e\u9802\u70b9\u304ccu\u3067\u3042\u308b\u6709\u5411\u30d1\u30b9\u306e\u7d44\u307f\u5408\u308f\u305b k\u304c10^18\u306a\u306e\u3067\u3001\u78ba\u5b9f\u306b\u3067\u304d\u306a\u3044\u304c\u3001\u6ce8\u76ee\u3059\u3079\u304d\u306f\u305d\u306e\u9077\u79fb\u3067\u3042\u308b\u3002 \u9802\u70b9cu\u304b\u3089\u9802\u70b9to\u306b\u6709\u5411\u8fba\u304c\u3042\u308c\u3070\u3001dp[k+1][to] += dp[k][cu]\u3068\u3044\u3046\u9077\u79fb\u3092\u3059\u308b\u3002 \u3053\u308c\u306f\u5168\u3066\u306e\u6709\u5411\u8fba\u306b\u8a00\u3048\u308b\u3053\u3068\u3067\u3001\u304b\u3064\u2026","author_url":"https://blog.hatena.ne.jp/hamayanhamayan/","provider_url":"https://hatena.blog","categories":["\u7af6\u6280\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0"],"blog_url":"https://blog.hamayanhamayan.com/","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblog.hamayanhamayan.com%2Fentry%2F2019%2F01%2F12%2F143204\" title=\"Walk [Educational DP Contest / DP \u307e\u3068\u3081\u30b3\u30f3\u30c6\u30b9\u30c8 R] - \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>","width":"100%","url":"https://blog.hamayanhamayan.com/entry/2019/01/12/143204","published":"2019-01-12 14:32:04"}