{"type":"rich","width":"100%","height":"190","version":"1.0","provider_url":"https://hatena.blog","provider_name":"Hatena Blog","author_name":"atcoder","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Finfo.atcoder.jp%2Fentry%2Falgorithm_lectures%2Fdegree_sequence\" title=\"\u5358\u7d14\u7121\u5411\u30b0\u30e9\u30d5\u306e\u6b21\u6570\u5217 - AtCoderInfo\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","title":"\u5358\u7d14\u7121\u5411\u30b0\u30e9\u30d5\u306e\u6b21\u6570\u5217","url":"https://info.atcoder.jp/entry/algorithm_lectures/degree_sequence","categories":["\u30b0\u30e9\u30d5\u7406\u8ad6","\u6b21\u6570\u5217","Erdos\u2013Gallai \u306e\u5b9a\u7406","Havel\u2013Hakimi \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0"],"image_url":"https://cdn.user.blog.st-hatena.com/default_entry_og_image/158934417/1702097020779738","published":"2026-04-10 14:16:43","blog_title":"AtCoderInfo","blog_url":"https://info.atcoder.jp/","author_url":"https://blog.hatena.ne.jp/atcoder/","description":"1. \u6982\u8981 \u5358\u7d14\u7121\u5411\u30b0\u30e9\u30d5\u306b\u304a\u3044\u3066\uff0c\u5404\u9802\u70b9\u306e\u6b21\u6570\u3092\u4e26\u3079\u3066\u3067\u304d\u308b\u5217 $d = (\\deg(1),\\deg(2),\\ldots,\\deg(n))$ \u3092\u6b21\u6570\u5217\u3068\u3044\u3044\u307e\u3059\uff0e \u672c\u8a18\u4e8b\u3067\u306f\uff0c$d=(d_1,d_2,\\ldots,d_n)$ \u304c\u5358\u7d14\u7121\u5411\u30b0\u30e9\u30d5\u306e\u6b21\u6570\u5217\u3068\u306a\u308b\u305f\u3081\u306e\u5fc5\u8981\u5341\u5206\u6761\u4ef6\u3092\u4e0e\u3048\u308b $\\text{Erd\\H{o}s--Gallai}$ \u306e\u5b9a\u7406\u304a\u3088\u3073\uff0c\u305d\u306e\u3088\u3046\u306a\u5358\u7d14\u7121\u5411\u30b0\u30e9\u30d5\u3092\u5b9f\u969b\u306b\u69cb\u6210\u3059\u308bHavel\u2013Hakimi \u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u3092\u89e3\u8aac\u3057\u307e\u3059\uff0e \u306a\u304a\uff0c\u6587\u5b57\u8868\u793a\u306e\u90fd\u5408\u306b\u3088\u308a\u8a18\u4e8b\u30bf\u30a4\u30c8\u30eb\u3084\u898b\u51fa\u3057\u3067\u306f\u300c$\\text{Erd\\H{o}s--Gallai}$ \u306e\u5b9a\u7406\u300d\u3092\u300cErdos\u2013Gallai \u306e\u5b9a\u7406\u300d\u2026"}