摘要: 题目 见洛谷 \(Code\) #include<cstdio> #include<iostream> using namespace std; const int N = 1e5 + 5; int n , m , fa[N]; struct Lheap{ int ls , rs , val , b 阅读全文
posted @ 2020-11-17 12:56 leiyuanze 阅读(100) 评论(0) 推荐(0) 编辑