摘要：
①DJ #include<iostream> #include<cstring> #include<cstdio> #include<queue> using namespace std; #define e exit(0) #define re register #define inf 21474 阅读全文
摘要：
①并查集 #include<iostream> #include<cstring> #include<cstdio> using namespace std; #define e exit(0) #define re register const int M = 10005; int n,m,fa[ 阅读全文