最小生成树(Krushal算法)

个人认为如果学过并查集的话,Krushal要比prim好用点,基本看到就会的那种 下面用poj1251这道题来入门学习一下 题目描述 The Head Elder of the tropical island of Lagrishan has a problem. A burst of foreign aid money was spent on extra roads between villa
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