{"provider_url":"https://hatena.blog","url":"https://kenkoooo.hatenablog.com/entry/2022/01/21/023956","blog_title":"\u5b87\u5b99\u30c4\u30a4\u30c3\u30bf\u30e9\u30fcX\u306e\u6182\u9b31","type":"rich","provider_name":"Hatena Blog","image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/k/kenkoooo/20220121/20220121023933.png","author_url":"https://blog.hatena.ne.jp/kenkoooo/","title":"Educational Codeforces Round 121 (Rated for Div. 2) E. Black and White Tree","description":"\u554f\u984c https://codeforces.com/contest/1626/problem/E \u6728\u304c\u3042\u308a\u307e\u3059\u3002\u3044\u304f\u3064\u304b\u306e\u9802\u70b9\u304c\u9ed2\u304f\u5857\u3089\u308c\u3066\u3044\u307e\u3059\u3002\u9ed2\u3044\u9802\u70b9\u306f\u5fc5\u305a2\u3064\u4ee5\u4e0a\u3042\u308a\u307e\u3059\u3002\u3042\u308b\u9802\u70b9\u306b\u99d2\u304c\u3042\u308b\u3068\u304d\u3001\u9ed2\u3044\u9802\u70b9\u30921\u3064\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3001\u99d2\u3092\u9078\u629e\u3057\u305f\u9802\u70b9\u306e\u65b9\u5411\u306b1\u56de\u52d5\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u30022\u56de\u9023\u7d9a\u3067\u540c\u3058\u9802\u70b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u6642\u3001\u9802\u70b9i\u306b\u7f6e\u304b\u308c\u305f\u99d2\u3092\u9069\u5207\u306b\u9ed2\u3044\u9802\u70b9\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u3044\u305a\u308c\u304b\u306e\u9ed2\u3044\u9802\u70b9\u307e\u3067\u79fb\u52d5\u3055\u305b\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u304b\u6c42\u3081\u3066\u304f\u3060\u3055\u3044\u3002 \u89e3\u6cd5 \u99d2\u304c\u7f6e\u304b\u308c\u305f\u9802\u70b9\u304b\u3089\u898b\u3066\u540c\u3058\u65b9\u5411\u306b2\u3064\u9ed2\u3044\u9802\u70b9\u304c\u3042\u308b\u3068\u304d\u3001\u3053\u308c\u3089\u3092\u4ea4\u4e92\u306b\u9078\u629e\u3059\u308b\u3053\u3068\u3067\u305d\u306e\u65b9\u5411\u306b\u9023\u7d9a\u3067\u79fb\u52d5\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u308b\u3002\u3053\u306e\u3053\u3068\u304b\u3089\u3001\u9ed2\u3044\u9802\u70b9\u306b\u79fb\u2026","author_name":"kenkoooo","published":"2022-01-21 02:39:56","version":"1.0","categories":[],"width":"100%","blog_url":"https://kenkoooo.hatenablog.com/","height":"190","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkenkoooo.hatenablog.com%2Fentry%2F2022%2F01%2F21%2F023956\" title=\"Educational Codeforces Round 121 (Rated for Div. 2) E. Black and White Tree - \u5b87\u5b99\u30c4\u30a4\u30c3\u30bf\u30e9\u30fcX\u306e\u6182\u9b31\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>"}