{"published":"2025-08-17 20:16:04","description":"https://atcoder.jp/contests/abc419/tasks/abc419_d\u6728\u3092\u4f5c\u3063\u3066\u6307\u5b9a\u3057\u305f\u7bc4\u56f2\u306b1\u3092\u8db3\u3057\u3066\u3001\u6700\u5f8c\u306b\u5076\u6570\u306a\u3089S\u5074\u306e\u6587\u5b57\u3067\u3059\u3002 // Substr Swap #![allow(non_snake_case)] //////////////////// library //////////////////// fn read<T: std::str::FromStr>() -> T { let mut line = String::new(); std::io::stdin().read_line(&mut line).ok(); line.trim().p\u2026","url":"https://inamori.hateblo.jp/entry/2025/08/17/201604","author_url":"https://blog.hatena.ne.jp/inamori/","categories":[],"author_name":"inamori","provider_name":"Hatena Blog","height":"190","blog_url":"https://inamori.hateblo.jp/","image_url":null,"title":"AtCoder Beginner Contest 419 D","width":"100%","blog_title":"inamori\u2019s diary","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2025%2F08%2F17%2F201604\" title=\"AtCoder Beginner Contest 419 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","version":"1.0","provider_url":"https://hatena.blog"}