nodchip https://blog.hatena.ne.jp/nodchip/ nodchipの日記 https://nodchip.hatenadiary.org/ 全域最小木 プリム法またはクラスカル法が使える typedef double Weight; struct Edge { int src, dst; Weight weight; Edge(int src, int dst, Weight weight) : src(src), dst(dst), weight(weight) { } }; bool operator < (const Edge &e, const Edge &f) { return e.weight != f.weight ? e.weight > f.weight : // !!INVERSE!! e.src != f.s… 190 <iframe src="https://hatenablog-parts.com/embed?url=https%3A%2F%2Fnodchip.hatenadiary.org%2Fentry%2F20100514%2F1273799231" title="PKU 2560 Freckles - nodchip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 2010-05-14 10:07:11 rich https://nodchip.hatenadiary.org/entry/20100514/1273799231 1.0 100%