blue_jam https://blog.hatena.ne.jp/blue_jam/ blue_jamの日記 https://blue-jam.hatenablog.com/ 競技プログラミング 蟻本の問題番号と，問題名の対応が間違ってた． 概要 負閉路検知やるだけ． const int INF = 100000000; typedef int Weight; struct Edge{ int from, to; Weight weight; Edge(int f, int t, Weight w) : from(f), to(t), weight(w) { } }; typedef vector<Edge> Edges; typedef vector<Edges> Graph; bool findNegativeRoop(const Graph &g){ int n = g.size… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fblue-jam.hatenablog.com%2Fentry%2F2014%2F08%2F09%2F223347" title="POJ 3259: Wormholes - blue_jamの日記" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> Hatena Blog https://hatena.blog 2014-08-09 22:33:47 rich https://blue-jam.hatenablog.com/entry/2014/08/09/223347 1.0 100%