{"provider_name":"Hatena Blog","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fobelisk.hatenablog.com%2Fentry%2F2017%2F07%2F31%2F182239\" title=\"\u9589\u8def\u306a\u3057\u6709\u5411\u30b0\u30e9\u30d5\uff08DAG\uff09\u306e\u6700\u77ed\u7d4c\u8def\uff08Ruby\uff09 - Camera Obscura\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","image_url":"http://img.f.hatena.ne.jp/images/fotolife/o/obelisk2/20170731/20170731175854.png","description":"\u4e0a\u306e\u9589\u8def\u306a\u3057\u6709\u5411\u30b0\u30e9\u30d5\uff08DAG\uff09\u306e\u3088\u3046\u306b\u3001\u8fba\u306b\u300c\u91cd\u307f\u300d\u304c\u4ed8\u3044\u3066\u3044\u308b\u5834\u5408\u306b\u304a\u3044\u3066\u3001\u6700\u77ed\u7d4c\u8def\u3092\u6c42\u3081\u3066\u307f\u307e\u3059\u3002\u624b\u7d9a\u304d\u306f \u5165\u529b\uff1a G: n \u500b\u306e\u9802\u70b9\u306e\u96c6\u5408 V \u3068 m \u672c\u306e\u6709\u5411\u8fba\u306e\u96c6\u5408 E \u3092\u542b\u3080\u9589\u8def\u306a\u3057\u6709\u5411\u30b0\u30e9\u30d5\u3002 s: V \u306e\u59cb\u70b9\u3002 \u51fa\u529b\uff1a V \u306b\u542b\u307e\u308c\u308b\u59cb\u70b9\u4ee5\u5916\u306e\u9802\u70b9 v \u306b\u3064\u3044\u3066\u3001@shortest[v] \u306f s \u304b\u3089 v \u3078\u306e\u6700\u77ed\u7d4c\u8def\u91cd\u307f sp(s, v) \u3067\u3042\u308a\u3001@pred[v] \u306f\u4f55\u3089\u304b\u306e\u6700\u77ed\u7d4c\u8def\u4e0a\u3067 v \u306e\u76f4\u524d\u306b\u3042\u308b\u9802\u70b9\u3067\u3042\u308b\u3002\u59cb\u70b9\u3067\u306f\u3001@shortest[s] = 0, @pred[s] = nil \u3067\u3042\u308a\u3001s \u304b\u3089 v \u3078\u306e\u30d1\u30b9\u304c\u306a\u3044\u5834\u5408\u3001@shortest[v] = \u221e, @pr\u2026","type":"rich","blog_title":"Camera Obscura","author_name":"obelisk2","published":"2017-07-31 18:22:39","url":"https://obelisk.hatenablog.com/entry/2017/07/31/182239","author_url":"https://blog.hatena.ne.jp/obelisk2/","title":"\u9589\u8def\u306a\u3057\u6709\u5411\u30b0\u30e9\u30d5\uff08DAG\uff09\u306e\u6700\u77ed\u7d4c\u8def\uff08Ruby\uff09","categories":["Ruby","\u30a2\u30eb\u30b4\u30ea\u30ba\u30e0"],"version":"1.0","blog_url":"https://obelisk.hatenablog.com/","height":"190","provider_url":"https://hatena.blog"}