{"provider_name":"Hatena Blog","blog_url":"https://inamori.hateblo.jp/","author_url":"https://blog.hatena.ne.jp/inamori/","title":"AtCoder Beginner Contest 257 B","image_url":null,"blog_title":"inamori\u2019s diary","height":"190","width":"100%","provider_url":"https://hatena.blog","url":"https://inamori.hateblo.jp/entry/2022/08/08/194906","version":"1.0","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2022%2F08%2F08%2F194906\" title=\"AtCoder Beginner Contest 257 B - 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>","published":"2022-08-08 19:49:06","type":"rich","description":"https://atcoder.jp/contests/abc257/tasks/abc257_b\u6587\u5b57\u5217\u306ejoin\u306f\u666e\u901a\u306b\u3067\u304d\u308b\u306e\u3067\u3001ToString trait\u3092\u6301\u3064\u578b\u306eVec\u3092\u5f15\u6570\u306b\u3059\u308b\u95a2\u6570\u3092\u4f5c\u3063\u3066\u307f\u307e\u3057\u305f\u3002 fn join<T: ToString>(v: &Vec<T>) -> String { v.iter().map(|x| x.to_string()).collect::<Vec<String>>().join(\" \") } mutable\u306a\u30e1\u30bd\u30c3\u30c9\u306f\u3053\u3093\u306a\u611f\u3058\u3067\u66f8\u304f\u3093\u3067\u3059\u306d\u3002 fn move_piece(&mut self, L: usize) { ... } // 1D Paw\u2026","categories":[],"author_name":"inamori"}