{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fngtkana.hatenablog.com%2Fentry%2F2020%2F07%2F16%2F020602\" title=\"ARC 100 F -  Colorful Sequence - \u30d6\u30ed\u30b0\u540d\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","provider_name":"Hatena Blog","title":"ARC 100 F -  Colorful Sequence","categories":[],"blog_title":"\u30d6\u30ed\u30b0\u540d","height":"190","provider_url":"https://hatena.blog","published":"2020-07-16 02:06:02","author_url":"https://blog.hatena.ne.jp/ngtkana/","url":"https://ngtkana.hatenablog.com/entry/2020/07/16/020602","image_url":null,"width":"100%","version":"1.0","author_name":"ngtkana","type":"rich","blog_url":"https://ngtkana.hatenablog.com/","description":"ARC 100 F - Colorful Sequence \u5b9a\u7fa9 ${ 1, \\dots, i }$ \u306e\u8981\u7d20\u304b\u3089\u306a\u308b\u3001\u8981\u7d20\u306e\u4e92\u3044\u306b\u7570\u306a\u308b\u9577\u3055 $i$ \u306e\u5217\u3092 $i$ \u306e\u7f6e\u63db\u3068\u547c\u3073\u307e\u3059\u3002 \u307e\u305f\u6570\u5217\u306b\u5bfe\u3057\u3066\u3001\u305d\u306e contiguous subsequence \u3067\u3042\u3063\u3066 $i$ \u306e\u7f6e\u63db\u3067\u3042\u308b\u3088\u3046\u3082\u306e\u304c\u5b58\u5728\u3059\u308b\u3068\u304d\u3001\u305d\u306e\u6570\u5217\u306f $i$ \u306e\u7f6e\u63db\u3092\u542b\u3080\u3068\u547c\u3073\u307e\u3057\u3087\u3046\u3002 $k$ \u8272\u306e\u30dc\u30fc\u30eb\u3092\u91cd\u8907\u3092\u8a31\u3057\u3066 $n$ \u500b\u4e26\u3079\u308b\u4e26\u3079\u65b9\u3068\u3001 \u305d\u306e\u9023\u7d50\u306a\u90e8\u5206\u5217\u3067\u3042\u3063\u3066 $A$ \u306b\u4e00\u81f4\u3059\u308b\u3082\u306e\u306e\u7d44\u306e\u96c6\u5408\u3092 $X$ \u3068\u304a\u304d\u307e\u3057\u3087\u3046\u3002 $X$ \u306e\u8981\u7d20\u6570\u306f $(n - m + 1) \\cdot k ^ n$ \u3067\u3059\u3002 \u305d\u306e\u3088\u3046\u306a\u2026"}