{"image_url":null,"width":"100%","author_url":"https://blog.hatena.ne.jp/ishikado/","type":"rich","provider_url":"https://hatena.blog","title":"aoj 1014","provider_name":"Hatena Blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fishikado.hatenadiary.org%2Fentry%2F20110730%2F1312016296\" title=\"aoj 1014 - ishikado\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u52c9\u5f37\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","author_name":"ishikado","blog_title":"ishikado\u306e\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0\u52c9\u5f37\u9332","version":"1.0","url":"https://ishikado.hatenadiary.org/entry/20110730/1312016296","categories":[],"published":"2011-07-30 17:58:16","description":"\u30a8\u30c3\u30b8\u3092\u30b3\u30b9\u30c8\u306e\u77ed\u3044\u9806\u756a\u306b\u898b\u3066\u3044\u304d\u3001 \u3064\u306a\u3052\u308b\u5fc5\u8981\u304c\u3042\u308c\u3070\u3064\u306a\u3052\u308b\u611f\u3058\u3002kruskal\u306e\u65b9\u6cd5\u3092\u30d9\u30fc\u30b9\u306b\u3057\u3066\u3044\u308b\u3002 #include <iostream> #include <vector> #include <algorithm> #include <cmath> using namespace std; class UnionFindTree{ private: // index\u306e\u6570\u306e\u89aa\u30ce\u30fc\u30c9 vector<int> par; // index\u3092\u6839\u3068\u3059\u308b\u6728\u306e\u30e9\u30f3\u30af vector<int> rank; // \u6728\u306e\u6700\u5927\u5024 int treeSize; public: UnionFindTree(i\u2026","height":"190","blog_url":"https://ishikado.hatenadiary.org/"}