摘要: 🤠 亲戚 🤠 合并并查集a,b:p[ find(a) ] = find(b) import java.util.*; import java.io.*; public class Main { static int N = 20010; static int[] p = new int[N]; 阅读全文
posted @ 2023-02-21 21:48 兑生 阅读(15) 评论(0) 推荐(0)
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