2018年2月9日

TZOJ 2754 Watering Hole(最小生成树Kruskal)

摘要： 描述 Farmer John has decided to bring water to his N (1 <= N <= 300) pastures which are conveniently numbered 1..N. He may bring water to a pasture eith 阅读全文

posted @ 2018-02-09 10:40 大桃桃 阅读(295) 评论(0) 推荐(0)

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