{"blog_title":"bouzuya.hatenablog.com","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbouzuya.hatenablog.com%2Fentry%2F2022%2F02%2F26%2F232207\" title=\"\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6570\u5b66 \u6f14\u7fd2\u554f\u984c\u96c6 056 - Recurrence Formula 2 \u3092\u89e3\u3044\u305f - bouzuya.hatenablog.com\" 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%","published":"2022-02-26 23:22:07","version":"1.0","image_url":null,"author_name":"bouzuya","provider_name":"Hatena Blog","type":"rich","provider_url":"https://hatena.blog","blog_url":"https://bouzuya.hatenablog.com/","title":"\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6570\u5b66 \u6f14\u7fd2\u554f\u984c\u96c6 056 - Recurrence Formula 2 \u3092\u89e3\u3044\u305f","description":"\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3068\u6570\u5b66 \u6f14\u7fd2\u554f\u984c\u96c6 056 - Recurrence Formula 2 \u3092\u89e3\u3044\u305f\u3002 \u554f\u984c: https://atcoder.jp/contests/math-and-algorithm/tasks/math_and_algorithm_av \u8a66\u3057\u305f\u3089\u3067\u304d\u305f\u2026\u2026\u3002\u554f\u984c\u306e\u6d41\u308c\u304b\u3089\u3059\u308b\u3068\u89e3\u6cd5\u306f\u884c\u5217\u306e\u7d2f\u4e57\u3092\u4f7f\u3046\u3068\u63a8\u6e2c\u3067\u304d\u308b\u3002\u524d\u306e 2 \u9805\u3092\u3069\u3046\u3084\u3063\u3066\u6b8b\u3059\u306e\u304b\u3002\u305f\u3076\u3093 3 \u884c 3 \u5217\u306b\u3059\u308b\u306e\u3060\u308d\u3046\u3002 (1,1) \u3092 a_n \u306b\u3057\u305f\u3044\u3002\u3059\u308b\u3068 1 \u884c\u76ee\u306f a_{n-1} + a_{n-2} + a_{n-3} \u306b\u306a\u308b\u3088\u3046 1 1 1 \u3068\u3059\u308b\u3002\u6b8b\u308a\u306e 2 \u3064\u306f\u305d\u308c\u305e\u308c a_{n-2} \u3068 a_{\u2026","height":"190","categories":[],"url":"https://bouzuya.hatenablog.com/entry/2022/02/26/232207","author_url":"https://blog.hatena.ne.jp/bouzuya/"}