{"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fbouzuya.hatenablog.com%2Fentry%2F2020%2F01%2F27%2F225724\" title=\"\u671d\u6d3b\u3092\u7fd2\u6163\u5316\u3057\u305f - bouzuya.hatenablog.com\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","version":"1.0","provider_url":"https://hatena.blog","blog_url":"https://bouzuya.hatenablog.com/","title":"\u671d\u6d3b\u3092\u7fd2\u6163\u5316\u3057\u305f","url":"https://bouzuya.hatenablog.com/entry/2020/01/27/225724","type":"rich","image_url":null,"author_url":"https://blog.hatena.ne.jp/bouzuya/","author_name":"bouzuya","provider_name":"Hatena Blog","published":"2020-01-27 22:57:24","blog_title":"bouzuya.hatenablog.com","width":"100%","description":"\u4eca\u65e5\u3067\u671d\u6d3b\u306f 21 \u65e5\u76ee\u3002\u7fd2\u6163\u5316\u3057\u305f\u3082\u306e\u3068\u3057\u3066\u660e\u65e5\u304b\u3089\u306f\u65e5\u6570\u3092\u6570\u3048\u306a\u3044\u3002 \u4eca\u65e5\u306f AtCoder \u306e ABC153 \u306e\u89e3\u8aac\u3092\u8aad\u3093\u3060\u3002 A, B, C \u307e\u3067\u3092\u8aad\u3093\u3060\u3002 D \u306f\u9014\u4e2d\u3002 Iterator \u306e sum \u3092\u4f7f\u3044\u305f\u3044 https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.sum Iterator \u306e take \u3092\u4f7f\u3044\u305f\u3044 https://doc.rust-lang.org/std/iter/trait.Iterator.html#method.take usize \u306e saturating_sub \u3092\u4f7f\u3044\u305f\u3044 https\u2026","height":"190","categories":[]}