peroon https://blog.hatena.ne.jp/peroon/ perogram https://perogram.hateblo.jp/ Quiz https://atcoder.jp/contests/abc142/tasks/abc142_f Submission https://atcoder.jp/contests/abc142/submissions/7805082 解法 ワーシャルフロイドを使った最小閉路の検出 algorithm - graph - How to find Minimum Directed Cycle (minimum total weight)? - Stack Overflow https://stackoverflow.com/questions/10456935/graph-how-to-f… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fperogram.hateblo.jp%2Fentry%2F2019%2F10%2F01%2F042847" title="F - Pure ～ワーシャルフロイド・最小閉路・経路(パス)復元～ - perogram" class="embed-card embed-blogcard" scrolling="no" frameborder="0" style="display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;"></iframe> https://cdn-ak.f.st-hatena.com/images/fotolife/p/peroon/20191001/20191001042803.png Hatena Blog https://hatena.blog 2019-10-01 04:28:47 rich https://perogram.hateblo.jp/entry/2019/10/01/042847 1.0 100%