並查集-HDU1232

hdu1232 並查集，求最後的集合數k，需要建設的道路數目=k-1 能保證所有的城鎮連通 package 並查集; import java.util.Scanner; /** * created by Ethan-Walker on 2018/11/8 */ public class HDU1232 { private static int[] parent = new int[1

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