{"image_url":null,"author_name":"inamori","url":"https://inamori.hateblo.jp/entry/2022/08/16/075933","height":"190","blog_url":"https://inamori.hateblo.jp/","description":"https://atcoder.jp/contests/abc250/tasks/abc250_b\u3042\u3048\u3066char\u306eMatrix\u307f\u305f\u3044\u306a\u306e\u3092\u4f5c\u3063\u3066\u305d\u308c\u3092\u8868\u793a\u3057\u307e\u3059\u3002 Matrix\u3092\u4f5c\u308b\u306b\u306f\u3001Iterator::collect\u3092\u4e8c\u91cd\u306b\u9069\u7528\u3059\u308c\u3070\u3088\u3044\u3067\u3059\u306d\u3002 \u305f\u3060\u3001\u305d\u3046\u3059\u308b\u3068\u8907\u96d1\u306a\u5f62\u306b\u306a\u3063\u3066\u8aad\u307f\u306b\u304f\u3044\u306e\u3067\u3001closure\u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u3002 let f = |i, j| -> char { if (i/A + j/B) % 2 == 0 { '.' } else { '#' } }; // Enlarged Checker Board #![allow(non_snake_case)] fn read<\u2026","type":"rich","published":"2022-08-16 07:59:33","title":"AtCoder Beginner Contest 250 B","categories":[],"version":"1.0","provider_name":"Hatena Blog","author_url":"https://blog.hatena.ne.jp/inamori/","width":"100%","provider_url":"https://hatena.blog","blog_title":"inamori\u2019s diary","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2022%2F08%2F16%2F075933\" title=\"AtCoder Beginner Contest 250 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>"}