{"provider_name":"Hatena Blog","width":"100%","height":"190","type":"rich","description":"\u9014\u4e2d\u30b0\u30c0\u30b0\u30c0\u3060\u3063\u305f\u3051\u3069\u3001G\u304c\u89e3\u3051\u3066\u4f55\u3068\u304b\u633d\u56de\u3002 https://csacademy.com/contest/round-54/task/spanning-trees/","version":"1.0","author_url":"https://blog.hatena.ne.jp/kmjp/","author_name":"kmjp","provider_url":"https://hatena.blog","categories":["\u305d\u306e\u4ed6\u30b3\u30f3\u30c6\u30b9\u30c8"],"url":"https://kmjp.hatenablog.jp/entry/2017/10/31/0900","image_url":null,"blog_url":"https://kmjp.hatenablog.jp/","blog_title":"kmjp's blog","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkmjp.hatenablog.jp%2Fentry%2F2017%2F10%2F31%2F0900\" title=\"CSAcademy Round #54 : D. Spanning Trees - kmjp&#39;s blog\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","published":"2017-10-31 09:00:00","title":"CSAcademy Round #54 : D. Spanning Trees"}