摘要: 关于割点的详细讲解见 "这篇文章" cpp //时间复杂度:O(N+M) include include include include using namespace std; const int maxn=20010; int N, M, bj[maxn], ans=0, dfn[maxn], 阅读全文
posted @ 2019-04-10 11:20 LFYZOI题解 阅读(252) 评论(0) 推荐(0) 编辑