摘要:
题:https://www.luogu.org/problem/P2024 解析:https://blog.csdn.net/m0_37579232/article/details/79920785 #include<bits/stdc++.h> using namespace std; #defi 阅读全文
摘要:
题:https://www.cometoj.com/problem/0073 #include<bits/stdc++.h> using namespace std; const int M=1e5+4; struct node{ int u,v,w; }e[M]; int f[M]; bool c 阅读全文
摘要:
题:https://www.cometoj.com/problem/0221 #include<iostream> #include<cstring> #include<algorithm> #include<cstdio> #include<queue> using namespace std; 阅读全文