{"title":"AtCoder Beginner Contest 421 D","provider_name":"Hatena Blog","image_url":null,"width":"100%","provider_url":"https://hatena.blog","blog_title":"inamori\u2019s diary","author_name":"inamori","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2025%2F08%2F31%2F195850\" title=\"AtCoder Beginner Contest 421 D - inamori\u2019s diary\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","type":"rich","published":"2025-08-31 19:58:50","categories":[],"url":"https://inamori.hateblo.jp/entry/2025/08/31/195850","author_url":"https://blog.hatena.ne.jp/inamori/","version":"1.0","blog_url":"https://inamori.hateblo.jp/","description":"https://atcoder.jp/contests/abc421/tasks/abc421_dRLE\u304c2\u4eba\u3067\u9055\u3044\u307e\u3059\u304c\u3001\u5206\u5272\u3057\u3066\u540c\u671f\u3092\u53d6\u308b\u3068\u7c21\u5358\u306b\u306a\u308a\u307e\u3059\u3002 Generic\u7248\u306ePoint\u3092\u4eca\u307e\u3067\u3088\u308a\u5f37\u5316\u3057\u307e\u3057\u305f\u3002 // RLE Moving #![allow(non_snake_case)] //////////////////// library //////////////////// fn read<T: std::str::FromStr>() -> T { let mut line = String::new(); std::io::stdin().read_line(&mut \u2026","height":"190"}