求助嘤嘤嘤qaq

P2573 [SCOI2012] 滑雪

![](https://mmbiz.qpic.cn/mmbiz_png/lcaq0oMjdFxqH0l1ibgw9W5E4CIhfnOWJVWZ0Ug8jByWzxGKrVXAvaSgScQj5GmibfQC29n5QgLKJDs7hTwrv9xw/640?wx_fmt=png&tp=webp&wxfrom=5&wx_lazy=1&wx_co=1)
by Prurite @ 2018-10-18 12:02:27


最小生成树QAQ?
by enceladus @ 2018-10-18 12:03:13


诶。最小生成树。。我不会写= =
by 星小雨 @ 2018-10-18 12:17:01


出门左转Prim/Kruskal
by 「ゲームとOI」 @ 2018-10-18 12:49:30


呜嘤嘤嘤好难窝不会....
by memset0 @ 2018-10-18 13:22:27


~~看见嘤嘤嘤我就知道是谁点进来果然是~~
by Starrydream @ 2018-10-30 11:37:21


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