{"categories":[],"description":"https://atcoder.jp/contests/abc294/tasks/abc294_dBTreeSet\u3092\u4f7f\u3048\u3070\u7c21\u5358\u3067\u3001\u547c\u3070\u308c\u3066\u3044\u306a\u3044\u4eba\u306eset\u3068\u547c\u3070\u308c\u305f\u3051\u3069\u53d7\u4ed8\u306b\u884c\u3063\u3066\u3044\u306a\u3044\u4eba\u306eset\u3092\u4f5c\u308c\u3070\u3088\u3044\u3067\u3059\u3002 \u305f\u3060\u3001 let e = not_called.iter().next().unwrap(); not_called.remove(e); \u3060\u3068cannot borrow\u3068\u6012\u3089\u308c\u3066\u3057\u307e\u3044\u307e\u3059\u304c\u3001 let e = not_called.iter().next().unwrap(); let f = *e; not_called.remove(&f); \u3068\u3059\u308c\u3070f\u306b\u30b3\u30d4\u30fc\u3055\u308c\u3066\u901a\u308a\u307e\u3059\u3002\u2026","published":"2023-03-20 20:25:46","blog_url":"https://inamori.hateblo.jp/","image_url":null,"author_name":"inamori","url":"https://inamori.hateblo.jp/entry/2023/03/20/202546","version":"1.0","title":"AtCoder Beginner Contest 294 D","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","width":"100%","blog_title":"inamori\u2019s diary","height":"190","author_url":"https://blog.hatena.ne.jp/inamori/","type":"rich","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finamori.hateblo.jp%2Fentry%2F2023%2F03%2F20%2F202546\" title=\"AtCoder Beginner Contest 294 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>"}