{"version":"1.0","description":"https://atcoder.jp/contests/abc391/tasks/abc391_d\u540c\u3058X\u3067\u96c6\u3081\u3066Y\u304c\u5c0f\u3055\u3044\u307b\u3046\u304b\u3089\u7a4d\u307f\u307e\u3059\u3002\u305d\u3046\u3057\u305f\u3068\u304d\u306b\u3001\u4e0b\u304b\u3089\u540c\u3058\u5c64\u306e\u30d6\u30ed\u30c3\u30af\u304c\u5168\u3066\u63c3\u3063\u3066\u3044\u306a\u3051\u308c\u3070\u305d\u306e\u5c64\u306e\u30d6\u30ed\u30c3\u30af\u306f\u6d88\u3048\u308b\u3053\u3068\u306f\u3042\u308a\u307e\u305b\u3093\u3002\u5168\u3066\u63c3\u3063\u3066\u3044\u308b\u3068\u304d\u3001\u6d88\u3048\u308b\u6642\u9593\u306f\u6700\u5927\u306e\u9ad8\u3055\u3068\u540c\u3058\u3067\u3059\u3002 // Gravity #![allow(non_snake_case)] //////////////////// library //////////////////// fn read<T: std::str::FromStr>() -> T { let mut line = String::ne\u2026","categories":[],"provider_name":"Hatena Blog","blog_title":"inamori\u2019s diary","width":"100%","url":"https://inamori.hateblo.jp/entry/2025/02/02/213322","blog_url":"https://inamori.hateblo.jp/","published":"2025-02-02 21:33:22","provider_url":"https://hatena.blog","author_url":"https://blog.hatena.ne.jp/inamori/","type":"rich","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2025%2F02%2F02%2F213322\" title=\"AtCoder Beginner Contest 391 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>","author_name":"inamori","height":"190","title":"AtCoder Beginner Contest 391 D"}